radicle vs complex body part

radicle and complex body part both are nouns.

Word	Noun	Adjective	Verb	Adverb
radicle	Yes	No	No	No
complex body part	Yes	No	No	No

As nouns, complex body part is a hypernym of radicle; that is, complex body part is a word with a broader meaning than radicle:

radicle: (anatomy) a small structure resembling a rootlet (such as a fibril of a nerve)
complex body part: a particular complex anatomical part of a living thing and its construction and arrangement

Other hypernyms of radicle include anatomical structure, bodily structure, body structure, structure.

radicle (noun)	complex body part (noun)
(anatomy) a small structure resembling a rootlet (such as a fibril of a nerve)	a particular complex anatomical part of a living thing and its construction and arrangement