The possessive form of the plural noun gums is gums'.
example: Your gums' condition looks excellent.
The plural form for the noun buzz is buzzes; the plural possessive form is buzzes'.
The plural form for the noun university is universities; the plural possessive is universities'.
The plural form of the noun mouthful is mouthfuls.The plural possessive form is mouthfuls'.
The plural form of the noun echo is echoes.The plural possessive form is echoes'.
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 form for the noun tree is trees.The plural possessive form is trees'.
The singular possessive form for the noun Phillip is Phillip's.The plural form for the noun Phillip is Phillips; the plural possessive form is Phillips'.The singular possessive form for the noun Phillips is Phillips's.The plural form for the noun Phillips is Phillipses; the plural possessive form is Phillipses'.
The plural form of the noun writer is writers.The plural possessive form is writers'.The plural form of the noun story is stories.The plural possessive form is stories'.The plural form of the noun farmer is farmers.The plural possessive form is farmers'.
pLURAL ; orbits Possessive plural ; Orbits' (NB note the position of the apostrophe).
The plural form for the noun university is universities; the plural possessive is universities'.
The plural form for the noun manufacturer is manufacturers.The possessive form for the singular noun manufacturer is manufacturer's.The possessive form for the plural noun manufacturers is manufacturers'.
The plural form of the noun mouthful is mouthfuls.The plural possessive form is mouthfuls'.
The plural form of the noun echo is echoes.The plural possessive form is echoes'.
The word countries is the plural form of the singular noun country.The possessive form of the plural noun is countries'.The singular possessive form is country's.
The plural form for the noun leader is leaders. The plural possessive form is leaders'.
The plural form for the noun body is bodies; the plural possessive form is bodies'.