Only if it is possessing something. "Men's clothes" for example.
The plural form of the noun mommy is mommies.The plural possessive form is mommies'.example: The mommies' group meets regularly to exchange outgrown baby clothes and toys.
The possessive singular noun for clown is clown's, e.g. "That clown's clothes are very colourful."The possessive plural noun for clowns is clowns', e.g. Those clowns' clothes are very colourful.
Singular possessive: secretary's Plural: secretaries Plural possessive: secretaries'
The plural is relatives. The plural possessive is relatives'.
The plural is lads. The plural possessive is lads'.
The plural form is Mexicans. The plural possessive is Mexicans'.
The plural possessive of stepsister is stepsisters'.
The plural form is inches. The plural possessive is inches'.
The plural form is suffixes. The plural possessive is suffixes'.
The plural form is echoes. The plural possessive is echoes'.
Coaster's is singular possessive. The plural is coasters, the plural possessive is coasters'.