cocksucker vs son of a bitch

cocksucker and son of a bitch both are nouns.

Word	Noun	Adjective	Verb	Adverb
cocksucker	Yes	No	No	No
son of a bitch	Yes	No	No	No

As nouns, cocksucker and son of a bitch are synonyms defined as:

cocksucker and son of a bitch: insulting terms of address for people who are stupid or irritating or ridiculous

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

cocksucker (noun)	son of a bitch (noun)
insulting terms of address for people who are stupid or irritating or ridiculous	insulting terms of address for people who are stupid or irritating or ridiculous
a person who performs fellatio