exogamy

In biology terms the difference between exogenous and exogamy

is that exogenous is produced or originating outside of an organism while exogamy is the fusion of two unrelated gametes.

As an adjective exogenous

is produced or originating outside of an organism.

As a noun exogamy is

marriage to a person belonging to a tribe or group other than your own as required by custom or law.

As nouns the difference between heterophily and exogamy

is that heterophily is tendency of individuals to collect in diverse groups while exogamy is marriage to a person belonging to a tribe or group other than your own as required by custom or law.

Endogamons is likely misspelled.

Endogamons has no English definition.

As a noun exogamy is

marriage to a person belonging to a tribe or group other than your own as required by custom or law.

As nouns the difference between taxonomy and exogamy

is that taxonomy is the science or the technique used to make a classification while exogamy is marriage to a person belonging to a tribe or group other than your own as required by custom or law.

As nouns the difference between exogamy and coresidence

is that exogamy is marriage to a person belonging to a tribe or group other than your own as required by custom or law while coresidence is living together, sharing a residence, as of an adult child with a parent.