interbreeding vs miscegenation

interbreeding and miscegenation both are nouns.

Word	Noun	Adjective	Verb	Adverb
interbreeding	Yes	No	No	No
miscegenation	Yes	No	No	No

As nouns, interbreeding and miscegenation are synonyms defined as:

interbreeding and miscegenation: reproduction by parents of different races (especially by white and non-white persons)

Other synonyms of interbreeding include crossbreeding.

interbreeding (noun)	miscegenation (noun)
(genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids	reproduction by parents of different races (especially by white and non-white persons)
reproduction by parents of different races (especially by white and non-white persons)