homosexualism vs queerness

homosexualism and queerness both are nouns.

Word	Noun	Adjective	Verb	Adverb
homosexualism	Yes	No	No	No
queerness	Yes	No	No	No

As nouns, homosexualism and queerness are synonyms defined as:

homosexualism and queerness: a sexual attraction to (or sexual relations with) persons of the same sex

Other synonyms of homosexualism include gayness, homoeroticism, homosexuality.

homosexualism (noun)	queerness (noun)
a sexual attraction to (or sexual relations with) persons of the same sex	a sexual attraction to (or sexual relations with) persons of the same sex
	a strange attitude or habit