miscegenation vs crossbreeding

miscegenation and crossbreeding both are nouns.

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

As nouns, miscegenation and crossbreeding are synonyms defined as:

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

Other synonyms of miscegenation include interbreeding.

miscegenation (noun)	crossbreeding (noun)
reproduction by parents of different races (especially by white and non-white persons)	(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)