homosexual vs pansy

homosexual and pansy both are nouns.

Word	Noun	Adjective	Verb	Adverb
homosexual	Yes	Yes	No	No
pansy	Yes	No	No	No

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

homosexual (noun)	pansy (noun)
someone who is sexually attracted to persons of the same sex	offensive term for a homosexual man
	a timid man or boy considered childish or unassertive
	large-flowered garden plant derived chiefly from the wild pansy of Europe and having velvety petals of various colors

homosexual (adjective)	pansy (adjective)
sexually attracted to members of your own sex