rape vs raper

rape and raper both are nouns.

Word	Noun	Adjective	Verb	Adverb
rape	Yes	No	Yes	No
raper	Yes	No	No	No

rape (noun)	raper (noun)
the crime of forcing a person to submit to sexual intercourse against his or her will	someone who forces another to have sexual intercourse
the act of despoiling a country in warfare
Eurasian plant cultivated for its seed and as a forage crop

rape (verb)	raper (verb)
destroy and strip of its possession
force (someone) to have sex against their will