The singular noun is tooth.
The singular possessive noun is tooth's.
tooth's - as in "A tooth's root extends down into the jawbone."
The singular possessive is tooth's.
The singular noun is tooth.The singular possessive noun is tooth's.Example: The dentist smoothed the tooth's chipped edge.
The singular noun is tooth.The singular possessive noun is tooth's.Example: The dentist smoothed the tooth's chipped edge.
The singular possessive form is week's.
If you are talking about the tooth of Fang or fangs that are teeth,then it would be Fang Teeth.
The singular possessive form is classmate's.
The possessive form is Amos's.
The singular possessive form for the noun gypsy is gypsy's.
The singular possessive form for country is county's.
The singular form for the plural noun countries is country; the singular possessive form is country's.
singular possessive: boy'splural possessive: boys'