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Caves' as in most plural possesives.
E.g. The Mendip Hills' caves' streams were traced in the Mendip Karst Hydrology Project.
Though that example (referring to a study carried out in the 1960s) would be more euphonious ifcaves' was replaced by cave,turning the word from noun to adjective and removing an awkward conjoined-s.)
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What is the singular possessive and plural and plural possessive of secretary?
Singular possessive: secretary's Plural: secretaries Plural possessive: secretaries'
What is the plural possessive of relative?
The plural is relatives. The plural possessive is relatives'.
What is the plural possessive of lad?
The plural is lads. The plural possessive is lads'.
What is the plural possessive of echo?
The plural form is echoes. The plural possessive is echoes'.
What is the plural possessive of suffix?
The plural form is suffixes. The plural possessive is suffixes'.
What is the plural possessive of Mexican?
The plural form is Mexicans. The plural possessive is Mexicans'.
What is the plural possessive of stepsister?
The plural form is stepsisters. The plural possessive is stepsisters'.
What is the plural possessive of inch?
The plural form is inches. The plural possessive is inches'.
What is a the plural possessive of father?
The plural possessive of "Father" is, "Fathers"
What is the plural possessive of bandit?
The plural possessive of bandit is bandits'.
What is the plural possessive of study?
Studies' is the plural possessive of study.
Is coaster's possessive or plural?
Coaster's is singular possessive. The plural is coasters, the plural possessive is coasters'.
