filament vs complex body part

filament and complex body part both are nouns.

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

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

filament: a threadlike structure (as a chainlike series of cells)
complex body part: a particular complex anatomical part of a living thing and its construction and arrangement

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

filament (noun)	complex body part (noun)
a thin wire (usually tungsten) that is heated white hot by the passage of an electric current	a particular complex anatomical part of a living thing and its construction and arrangement
a threadlike structure (as a chainlike series of cells)
the stalk of a stamen
a very slender natural or synthetic fiber