There is no word in English spelled 'rizals'.
There is a proper noun Rizal, a surname. Proper nouns are always capitalized. The form, Rizals, would be two or more people named Rizal, a plural proper noun.
The possessive form for the singular proper noun is Rizal's.
Example: There is a monument to Jose Rizal in The Philippines. Rizal's monument is located at Rizal Park in Manila.
The possessive form for the plural proper noun is Rizals'.
Example: The Rizal family believes in education. All of the Rizals' children attended college.
The singular possessive form is week's.
The singular possessive form of "classmate" is "classmate's."
The singular possessive form of "gypsy" is "gypsy's."
The singular possessive form of county is county's.
singular possessive: boy'splural possessive: boys'
The singular possessive form is week's.
The singular possessive form of "classmate" is "classmate's."
The possessive form is Amos's.
The singular possessive form of "gypsy" is "gypsy's."
The singular possessive form of "countries" is "country's".
The singular possessive form of county is county's.
The singular possessive form of "goose" is "goose's," indicating that something belongs to one goose. The plural possessive form is "geese's," used when something belongs to multiple geese. It is important to note that the plural form of "goose" is "geese," hence the different spelling for the plural possessive.
singular possessive: boy'splural possessive: boys'
The singular possessive form is aircraft's.
The singular possessive form is speculum's.
The singular possessive form is contralto's.
The singular possessive form is frontiersman's.