sex crime vs sex offense

sex crime and sex offense both are nouns.

Word	Noun	Adjective	Verb	Adverb
sex crime	Yes	No	No	No
sex offense	Yes	No	No	No

As nouns, sex crime and sex offense are synonyms defined as:

sex crime and sex offense: a statutory offense that provides that it is a crime to knowingly cause another person to engage in an unwanted sexual act by force or threat

Other synonyms of sex crime include sexual abuse, sexual assault.

sex crime (noun)	sex offense (noun)
a statutory offense that provides that it is a crime to knowingly cause another person to engage in an unwanted sexual act by force or threat	a statutory offense that provides that it is a crime to knowingly cause another person to engage in an unwanted sexual act by force or threat