filament vs paraphysis

filament and paraphysis both are nouns.

Word	Noun	Adjective	Verb	Adverb
filament	Yes	No	No	No
paraphysis	Yes	No	No	No

As nouns, paraphysis is a hyponym of filament; that is, paraphysis is a word with a more specific, narrower meaning than filament:

filament: a very slender natural or synthetic fiber
paraphysis: a sterile simple or branched filament or hair borne among sporangia; may be pointed or clubbed

Other hyponyms of filament include barb, cobweb, gossamer, chromatid, myofibril, myofibrilla, sarcostyle, rhizoid, hypha.

filament (noun)	paraphysis (noun)
a thin wire (usually tungsten) that is heated white hot by the passage of an electric current	a sterile simple or branched filament or hair borne among sporangia; may be pointed or clubbed
a threadlike structure (as a chainlike series of cells)
the stalk of a stamen
a very slender natural or synthetic fiber