polygyny

is likely misspelled.

has no English definition.

As a noun polygyny

is the state or practice of having several wives at the same time; plurality of wives; marriage to several wives - H. Spencer

As a noun polygyny

is the state or practice of having several wives]] at the same time; plurality of wives; marriage to several wives - [[w:herbert spencer|h spencer.

As an adjective polygyne is

describing a hive or colony (of a social insect) that has more than one active queen.

As nouns the difference between polygyny and polygyn

is that polygyny is the state or practice of having several wives]] at the same time; plurality of wives; marriage to several wives - [[w:herbert spencer|h spencer while polygyn is (botany) a plant of the order polygynia .

As nouns the difference between polygyny and polygeny

is that polygyny is the state or practice of having several wives]] at the same time; plurality of wives; marriage to several wives - [[w:herbert spencer|h spencer while polygeny is polygenesis.

As nouns the difference between polygony and polygyny

is that polygony is any plant of the genus Polygonum, especially knotgrass while polygyny is the state or practice of having several wives at the same time; plurality of wives; marriage to several wives - H. Spencer

Polygyny is a see also of sororate.

As nouns the difference between polygyny and sororate

is that polygyny is the state or practice of having several wives]] at the same time; plurality of wives; marriage to several wives - [[w:herbert spencer|h spencer while sororate is the custom of the marriage of a man to the sister of his wife, usually after the wife has died.