The plural form of the noun finch is finches.
The plural possessive form is finches'.
Example: The thick bushes were home to several finches' nests.
The correct plural of Finch is Finches. It is not Finch's as is commonly thought, as an an 's marks a possessive, as in "The Finch's Car". However, "Jem and Atticus are both Finches." is the correct plural.
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 echoes. The plural possessive is echoes'.
The plural form is suffixes. The plural possessive is suffixes'.
The plural form is Mexicans. The plural possessive is Mexicans'.
The plural form is stepsisters. The plural possessive is stepsisters'.
The plural form is inches. The plural possessive is inches'.
The plural possessive of "Father" is, "Fathers"
The plural possessive of bandit is bandits'.
Studies' is the plural possessive of study.