soma vs adult body

soma and adult body both are nouns.

Word	Noun	Adjective	Verb	Adverb
soma	Yes	No	No	No
adult body	Yes	No	No	No

As nouns, adult body is a hyponym of soma; that is, adult body is a word with a more specific, narrower meaning than soma:

Other hyponyms of soma include person, juvenile body, male body, female body.

soma (noun)	adult body (noun)
alternative names for the body of a human being	the body of an adult human being
leafless East Indian vine; its sour milky juice formerly used to make an intoxicating drink