Monologist :: Monologist (n.) One who soliloquizes; esp., one who monopolizes conversation in company..
Monologue :: Monologue (n.) A speech uttered by a person alone; soliloquy; also, talk or discourse in company, in the strain of a soliloquy; as, an account in monologue..
Monologue :: Monologue (n.) A dramatic composition for a single performer.
Monology :: Monology (n.) The habit of soliloquizing, or of monopolizing conversation..