strengths
draw
The most common word would be Upsilon, although there are others.
The opposite of unusual is common.
Opec.
Yes, the word "labor" can be pluralized as "labors" to refer to multiple instances of work or toil.
The plural of alumnus is alumni.
Yes, the plural is 'fawns'
I believe that the pluralized version of the word gulf is just gulfs.
Nouns are usually pluralized by adding "s" or "es" to the end of the word. For example, "book" becomes "books" and "box" becomes "boxes." Some nouns may have irregular plural forms that do not follow this rule, such as "child" becoming "children" and "foot" becoming "feet."
Examples of hyphenated compound nouns where the first word is pluralized include "five-star hotels," "six-pack abs," and "ten-dollar bills."
Yes, it can be challenged if the word is actually invalid.
Without knowing your intended use of the word, it is safe to say that "purpose" can normally be pluralized to "purposes".
If you mean theSpanish word "el," meaning "the", it becomes "los" in the plural form.
rare
No, "fun" is an abstract noun and therefore it cannot be turned into a plural. Another word like this is "Happiness".
The word "wolf" becomes "wolves" when pluralized.