sex vs enthusiasm

sex and enthusiasm both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex	Yes	No	Yes	No
enthusiasm	Yes	No	No	No

sex (noun)	enthusiasm (noun)
activities associated with sexual intercourse	overflowing with eager enjoyment or approval
the properties that distinguish organisms on the basis of their reproductive roles	a lively interest
all of the feelings resulting from the urge to gratify sexual impulses	a feeling of excitement
either of the two categories (male or female) into which most organisms are divided

sex (verb)	enthusiasm (verb)
tell the sex (of young chickens)
to evoke sexual feelings