queerness vs homosexualism

queerness and homosexualism both are nouns.

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

As nouns, queerness and homosexualism are synonyms defined as:

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

Other synonyms of queerness include gayness, homoeroticism, homosexuality.

queerness (noun)	homosexualism (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