somatic chromosome vs autosome

somatic chromosome and autosome both are nouns.

Word	Noun	Adjective	Verb	Adverb
somatic chromosome	Yes	No	No	No
autosome	Yes	No	No	No

As nouns, somatic chromosome and autosome are synonyms defined as:

somatic chromosome and autosome: any chromosome that is not a sex chromosome; appear in pairs in body cells but as single chromosomes in spermatozoa

somatic chromosome (noun)	autosome (noun)
any chromosome that is not a sex chromosome; appear in pairs in body cells but as single chromosomes in spermatozoa	any chromosome that is not a sex chromosome; appear in pairs in body cells but as single chromosomes in spermatozoa