anatomical vs locution

anatomical and locution both are nouns.

Word	Noun	Adjective	Verb	Adverb
anatomical	Yes	Yes	No	No
locution	Yes	No	No	No

As nouns, locution is a hypernym of anatomical; that is, locution is a word with a broader meaning than anatomical:

anatomical: an expression that relates to anatomy
locution: a word or phrase that particular people use in particular situations

Other hypernyms of anatomical include expression, saying.

anatomical (noun)	locution (noun)
an expression that relates to anatomy	a word or phrase that particular people use in particular situations

anatomical (adjective)	locution (adjective)
of or relating to the structure of the body
of or relating to the branch of morphology that studies the structure of organisms