overarch vs dominate

overarch and dominate both are verbs.

Word	Noun	Adjective	Verb	Adverb
overarch	No	No	Yes	No
dominate	No	No	Yes	No

As verbs, dominate is a hypernym of overarch; that is, dominate is a word with a broader meaning than overarch:

Other hypernyms of overarch include predominate, prevail, reign, rule.

overarch (verb)	dominate (verb)
form an arch over	have dominance or the power to defeat over
be central or dominant	be larger in number, quantity, power, status or importance
	be in control
	look down on
	be greater in significance than