gossamer vs filament

gossamer and filament both are nouns.

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

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

Other hypernyms of gossamer include fibril, strand.

gossamer (noun)	filament (noun)
a gauze fabric with an extremely fine texture	a thin wire (usually tungsten) that is heated white hot by the passage of an electric current
filaments from a web that was spun by a spider	a threadlike structure (as a chainlike series of cells)
	the stalk of a stamen
	a very slender natural or synthetic fiber

gossamer (adjective)	filament (adjective)
characterized by unusual lightness and delicacy
so thin as to transmit light