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There's no general rule for forming the plural forms of words ending in -o. Many plural forms are formed by adding -es, e.g. tomato - tomatoes, potato - potatoes, hero - heroes. Other plurals are formed simply by adding -s, e.g. zero - zeros, memo - memos, hippo - hippos.

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14y ago
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11y ago

For some nouns ending in 'o' that are well-established in English, add 'es' to form the plural. For example:

  • potato > potatoes
  • hero > heroes
  • tomato > tomatoes
  • cargo > cargoes
  • echo > echoes

For more modern nouns ending in 'o', add 's' only to form the plural. For example:

  • photo > photos
  • kilo > kilos
  • radio > radios
  • piano > pianos
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12y ago

It depends on what letter precedes the 'o' at times. If it ends with the 'o' ( vowel) like patio and the 'o' has another vowel in front of it, just add a 's' to form the plural. If it has a consonant before the vowel 'o' then add -es at the end to form the plural as in potato-es.

Having said that you have to be aware than some nouns can take either a 's' or 'es' at the end to form the plural such as volcanos/volcanoes and zeros/zeroes.

The above is not complete or correct. The question is not so easily resolved. For example, tobacco-tobaccos is a consonant stem with no e in the plural. Perhaps the best rule is this: English words like tomato and potato generally take e in the plural, while foreign words, like taco and patio do not.

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12y ago

Unfortunately there is no simple rules for using 's' or 'es' to change nouns ending in 'o' into the plural form. How fortunate we are to live in the age of spell check, otherwise you need a hard copy dictionary or a good memory. Some examples are:

  • echoes
  • heroes
  • potatoes
  • tomatoes
  • vetoes
  • autos
  • kangaroos
  • kilos
  • photos
  • tattoos
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12y ago

It depends. If there is an consonant before the 'o', then add es. If there is a vowel, then add s

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Q: How do you make vowel-o-ending nouns plural by adding s?
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How do you make Amos plural?

The plural form for the name Amos is Amoses.


Can you give me a example of plural words?

A plural noun is a word for more than one person, place, or thing. Here are some rules to make singular nouns into plural nouns:To make most nouns plural, add an s to the end of the word. The plural of flower is flowers.Nouns ending in s, z, ch, sh, or x, add es to the end of the word to make it plural. The plural of dish is dishes.Some nouns ending with o are pluralized by adding and es to the end of the word. The plural of tomato is tomatoes.Most nouns ending with o are pluralized by adding s to the end of the word. The plural of photo is photos.When a noun ends in a y, change the y at the end of the word to an ies. The plural of berry is berries.Some nouns ending with y, preceded by a vowel, are pluralized by just adding s to the end of the word. The plural of dayis days.Nouns ending with f or fe, change to f or the fe to ves to form the plural. The plural of life is lives.Nouns ending with ff are usually pluralized by just adding an s to the end of the word. The plural of cuff is cuffs.Some nouns change the vowel sound to become plural. The plural of man is men, the plural of tooth is teeth.Some Old English plurals are still in use. The plural of child is children, the plural of ox is oxen.Some nouns that end with is, the ending is changed to es to form the plural. The plural of crisis is crises.Some nouns that end with um, the um is replaced with an a. The plural for datum is data, the plural for medium is media.Some nouns that end with on, the on is replaced with an a. The plural of phenomenon is phenomena.Some nouns that end is a, change the a at the end of the word to ae. The plural of larva is larvae.Some nouns that end in ex or ix, the plural is formed by changing the x to ces. The plural of index is indeces, the plural of matrix is matrices.Some nouns that end in us, the plural is formed by changing the us to i. The plural of cactus is cacti, the plural of radius is radii.Nouns ending in eau, the plural is formed by adding x to the end of the word. The plural of bureau is bureaux.There are any number of other variations such as the plural of tempo is tempi; the plural of cherub is cherubim; the plural of person is people. But language evolves over time or we would still be speaking like Shakespeare. Even as I type these rules, some are officially amended. For example, the plural forms indeces and indexes are both being accepted as correct plurals for index and the plural forms bureaux and bureaus are both being accepted as correct plurals for bureau, as are many other irregular plurals being found in standard dictionaries with modernized plural options.


Can you make plural of uncountable noun?

Yes, some uncountable nouns are in the plural form. Examples:amendsbarracksbowelscongratulationsgoodsheadquartersmathematicsmeansnewsspecies


What is the plural of forget-me-not?

The plural of forget-me not is forget-me-nots.


Is monarch a word that you can make plural by adding es?

No.

Related questions

What letter do you add to nouns to make it plural?

Regular plural nouns are formed by adding -s or -es to the end of the word.


Is there a term for defining nouns that do not add s or es to make them plural?

Yes, nouns that are made plural b adding 's' or 'es' are called regular nouns; nouns made plural by some other form are called irregular nouns.


Example of nouns form their plural by adding s?

Whether in doubt, just add an 's' to make it plural as most nouns follow this rule.Examples:cat -> catsdog -> dogstable -> tableschair -> chairscomputer -> computers


How do you make Amos plural?

The plural form for the name Amos is Amoses.


What are the 30 rules in forming plural nouns?

There are no specific "30 rules" for forming plural nouns in English. Plural nouns are generally formed by adding "-s" to the end of the singular form, but there are exceptions like changing the spelling (e.g., "man" to "men") or using irregular forms (e.g., "child" to "children"). It's best to learn plural formations through practice and exposure to the language.


What are the rules in forming the plural of singular nouns?

A plural noun is a word for two or more people, places, or things. Here are some rules to make singular nouns into plural nouns:To make most nouns plural, add an s or es to the end of the word. These are called regular plurals (or regular nouns). Example: the plural of neighbor is neighbors, the plural of flower is flowers.Nouns that form their plural in some other way are called irregular plural (or irregular nouns). Example: the plural of child is children, the plural of foot is feet.Nouns ending in s, z, ch, sh, or x, add es to the end of the word to make it plural. The plural of dish is dishes.Some nouns ending with o are pluralized by adding and es to the end of the word. The plural of tomato is tomatoes.Most nouns ending with o are pluralized by adding s to the end of the word. The plural of photo is photos.When a noun ends in a y, change the y at the end of the word to an ies. The plural of berry is berries.Some nouns ending with y, preceded by a vowel, are pluralized by just adding s to the end of the word. The plural of day is days.Nouns ending with f or fe, change to f or the fe to ves to form the plural. The plural of life is lives.Nouns ending with ff are usually pluralized by just adding an s to the end of the word. The plural of cuff is cuffs.Some nouns change the vowel sound to become plural. The plural of man is men, the plural of tooth is teeth.Some Old English plurals are still in use. The plural of child is children, the plural of ox is oxen.Some nouns that end with is, the ending is changed to es to form the plural. The plural of crisis is crises.Some nouns that end with um, the um is replaced with an a. The plural for datum is data, the plural for medium is media.Some nouns that end with on, the on is replaced with an a. The plural of phenomenon is phenomena.Some nouns that end is a, change the a at the end of the word to ae. The plural of larva is larvae.Some nouns that end in ex or ix, the plural is formed by changing the x to ces. The plural of index is indeces, the plural of matrix is matrices.Some nouns that end in us, the plural is formed by changing the us to i. The plural of cactus is cacti, the plural of radius is radii.Nouns ending in eau, the plural is formed by adding x to the end of the word. The plural of bureau is bureaux.There are any number of other variations such as the plural of tempo is tempi; the plural of cherub is cherubim; the plural of person is people. But language evolves over time or we would still be speaking like Shakespeare. Even as I type these rules, some are officially amended. For example, the plural forms indeces and indexes are both being accepted as correct plurals for index and the plural forms bureaux and bureaus are both being accepted as correct plurals for bureau, as are many other irregular plurals being found in standard dictionaries with modernized plural options.


What is a regular plural noun?

Most nouns in English are made into plural nouns by adding an s to the singular form. If the noun ends with an s, ch, sh, or x, an es is added to make the noun plural. When a noun makes its plural form in any other way we speak of irregular plural forms ie. policeman/policemen mouse/mice Hope this helps!


What nouns are added 'en' to make it plural?

Ox becomes Oxen when plural.


What is the rule for nouns ending in -o to add -s or -es to make the plural?

Most nouns ending in -o are pluralized by simply adding -s, except:Some nouns ending in the letter -oare pluralized by adding -es. These words must be memorized, because there is no simple rule to explain the differences.echo, echoeshero, heroespotato, potatoestorpedo, torpedoesveto, vetoes


Can you give me a example of plural words?

A plural noun is a word for more than one person, place, or thing. Here are some rules to make singular nouns into plural nouns:To make most nouns plural, add an s to the end of the word. The plural of flower is flowers.Nouns ending in s, z, ch, sh, or x, add es to the end of the word to make it plural. The plural of dish is dishes.Some nouns ending with o are pluralized by adding and es to the end of the word. The plural of tomato is tomatoes.Most nouns ending with o are pluralized by adding s to the end of the word. The plural of photo is photos.When a noun ends in a y, change the y at the end of the word to an ies. The plural of berry is berries.Some nouns ending with y, preceded by a vowel, are pluralized by just adding s to the end of the word. The plural of dayis days.Nouns ending with f or fe, change to f or the fe to ves to form the plural. The plural of life is lives.Nouns ending with ff are usually pluralized by just adding an s to the end of the word. The plural of cuff is cuffs.Some nouns change the vowel sound to become plural. The plural of man is men, the plural of tooth is teeth.Some Old English plurals are still in use. The plural of child is children, the plural of ox is oxen.Some nouns that end with is, the ending is changed to es to form the plural. The plural of crisis is crises.Some nouns that end with um, the um is replaced with an a. The plural for datum is data, the plural for medium is media.Some nouns that end with on, the on is replaced with an a. The plural of phenomenon is phenomena.Some nouns that end is a, change the a at the end of the word to ae. The plural of larva is larvae.Some nouns that end in ex or ix, the plural is formed by changing the x to ces. The plural of index is indeces, the plural of matrix is matrices.Some nouns that end in us, the plural is formed by changing the us to i. The plural of cactus is cacti, the plural of radius is radii.Nouns ending in eau, the plural is formed by adding x to the end of the word. The plural of bureau is bureaux.There are any number of other variations such as the plural of tempo is tempi; the plural of cherub is cherubim; the plural of person is people. But language evolves over time or we would still be speaking like Shakespeare. Even as I type these rules, some are officially amended. For example, the plural forms indeces and indexes are both being accepted as correct plurals for index and the plural forms bureaux and bureaus are both being accepted as correct plurals for bureau, as are many other irregular plurals being found in standard dictionaries with modernized plural options.


Is music a plural word?

No, but you can make it plural by adding an "s" to the end.


How do you do plural possessive of Rusch?

The plural is the Rusches. Use the rules for forming plural nouns to make a proper noun plural.