The possessive form for the plural noun teeth is teeth's.
Example: The teeth's luster shows well in the photograph.
Example: Her teeth's whiteness is the result of a special treatment.
The possessive form of "goddess" is "goddess's."
The plural possessive form of "goddess" is "goddesses'."
The possessive form of the word dictionary is dictionary's.
The singular possessive form is word's, for example the word's definition.
possessive form for the word holders: holders'
the possessive form of the word Cathie: Cathie's
possessive form of the word Cathi: Cathi's
possessive form of the word Congress: Congress'
possessive form of the word glass: glass'
The possessive form of the word "month" is "month's."
The possessive form is Lindbergh's.
The possessive form is weaver's.