The plural form for the noun tooth is teeth.
The plural possessive form is teeth's.
Example: This product will improve your teeth's whiteness.
The possessive form for the plural noun wives is wives'.
The plural form for the noun buzz is buzzes; the plural possessive form is buzzes'.
The plural possessive noun for "vowel" is "vowels'".
The word sisters is the plural form; the plural possessive is sisters'.
The noun "branch" is a regular plural noun, a noun that forms its plural by adding "s" or "es". The plural form of branch is "branches".The plural possessive form is branches', a regular plural possessive.
The noun child's and the noun tooth are not plural nouns.The noun child's is the possessive form of the singular noun child (for example, a child's toy = a toy belonging to a child)The noun tooth is a singular noun. The plural noun is teeth.
The singular possessive is tooth's.
If you are talking about the tooth of Fang or fangs that are teeth,then it would be Fang Teeth.
The plural form for the noun tooth is teeth.The plural possessive form is teeth's.Example: This product will improve your teeth's whiteness.
The possessive form for the plural noun wives is wives'.
The plural possessive noun of molecules is molecules' .
The plural form for the noun buzz is buzzes; the plural possessive form is buzzes'.
The plural possessive noun for "vowel" is "vowels'".
The singular noun is tooth.The singular possessive noun is tooth's.
The word sisters is the plural form; the plural possessive is sisters'.
The plural form for the noun tree is trees.The plural possessive form is trees'.
The noun "branch" is a regular plural noun, a noun that forms its plural by adding "s" or "es". The plural form of branch is "branches".The plural possessive form is branches', a regular plural possessive.