Here's what rhymes with narcissist.

Consider these alternatives

narcissistic / characteristic malcontent / went sociopath / has buffoon / soon narcissism / given deluded / precluded sadist / greatest neurotic / logic conceited / treated psychopath / has prig / big megalomaniac / back demagogue / stock wuss / us delusional / constitutional nymphomaniac / back unfeeling / feeling sociopathic / idiopathic