overtop vs dwarf

overtop is not a noun while dwarf is a noun.

Word	Noun	Adjective	Verb	Adverb
overtop	No	No	Yes	No
dwarf	Yes	No	Yes	No

As verbs, dwarf is a hyponym of overtop; that is, dwarf is a word with a more specific, narrower meaning than overtop:

Other hyponyms of overtop include overshadow, shadow.

overtop (noun)	dwarf (noun)
	a plant or animal that is atypically small
	a person who is markedly small
	a legendary creature resembling a tiny old man; lives in the depths of the earth and guards buried treasure

overtop (verb)	dwarf (verb)
look down on	check the growth of
	make appear small by comparison