amorousness vs erotism

amorousness and erotism both are nouns.

Word	Noun	Adjective	Verb	Adverb
amorousness	Yes	No	No	No
erotism	Yes	No	No	No

As nouns, amorousness and erotism are synonyms defined as:

Other synonyms of amorousness include amativeness, eroticism, sexiness.

amorousness (noun)	erotism (noun)
a feeling of love or fondness	the arousal of feelings of sexual desire
the arousal of feelings of sexual desire	a state of anticipation of sexuality