crossbreeding vs miscegenation

crossbreeding and miscegenation both are nouns.

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

As nouns, crossbreeding and miscegenation are synonyms defined as:

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

Other synonyms of crossbreeding include interbreeding.

crossbreeding (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)