sex offense vs sex crime

sex offense and sex crime both are nouns.

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

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

sex offense and sex crime: 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 offense include sexual abuse, sexual assault.

sex offense (noun)	sex crime (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