| allogamy | (noun) cross-fertilization in plants | - |
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| anisogamy | (noun) (biology) reproduction by the union or fusion of two differing gametes (especially differing in size) | - |
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| apogamy | (noun) (botany) development of an embryo without fertilization; especially the development in some ferns of a sporophyte from the gametophyte without fertilization | - |
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| autogamy | (noun) self-fertilization in plants | - |
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| bigamy | (noun) the offense of marrying someone while you have a living spouse from whom no valid divorce has occurred | - |
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| (noun) the state of having two spouses at the same time | - |
| cleistogamy | (noun) the production of small nonopening self-pollinating flowers | - |
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| endogamy | (noun) marriage within one's own tribe or group as required by custom or law | Synonyms: inmarriage, intermarriage |
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| exogamy | (noun) marriage to a person belonging to a tribe or group other than your own as required by custom or law | Synonyms: intermarriage |
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| infamy | (noun) a state of extreme dishonor | Synonyms: opprobrium |
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| (noun) evil fame or public reputation | - |
| isogamy | (noun) (biology) reproduction by the union or fusion of gametes of the same size and structure | - |
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| misogamy | (noun) hatred of marriage | - |
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| monogamy | (noun) the practice or state of having only one spouse at a time | Synonyms: monogamousness |
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| polygamy | (noun) the condition or practice of having more than one spouse at a time | - |
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