nominal head vs slicker

nominal head and slicker both are nouns.

Word	Noun	Adjective	Verb	Adverb
nominal head	Yes	No	No	No
slicker	Yes	No	No	No

As nouns, slicker is a hypernym of nominal head; that is, slicker is a word with a broader meaning than nominal head:

Other hypernyms of nominal head include beguiler, cheat, cheater, deceiver, trickster.

nominal head (noun)	slicker (noun)
a person used as a cover for some questionable activity	a macintosh made from cotton fabric treated with oil and pigment to make it waterproof
	someone who leads you to believe something that is not true
	a person with good manners and stylish clothing