somatotype vs habitus

somatotype and habitus both are nouns.

Word	Noun	Adjective	Verb	Adverb
somatotype	Yes	No	No	No
habitus	Yes	No	No	No

As nouns, habitus is a hypernym of somatotype; that is, habitus is a word with a broader meaning than somatotype:

Other hypernyms of somatotype include body-build, build, physique.

somatotype (noun)	habitus (noun)
a category of physique	constitution of the human body
	person's predisposition to be affected by something (as a disease)