cocksucker vs asshole

cocksucker and asshole both are nouns.

Word	Noun	Adjective	Verb	Adverb
cocksucker	Yes	No	No	No
asshole	Yes	No	No	No

As nouns, cocksucker and asshole are synonyms defined as:

cocksucker and asshole: insulting terms of address for people who are stupid or irritating or ridiculous

Other synonyms of cocksucker include bastard, dickhead, mother fucker, motherfucker, prick, shit, SOB, son of a bitch, whoreson.

cocksucker (noun)	asshole (noun)
insulting terms of address for people who are stupid or irritating or ridiculous	vulgar slang for anus
a person who performs fellatio	insulting terms of address for people who are stupid or irritating or ridiculous