reign vs dominate

reign is a noun but dominate is not a noun.

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

As verbs, reign and dominate are synonyms defined as:

reign and dominate: be larger in number, quantity, power, status or importance

Other synonyms of reign include predominate, prevail, rule.

reign (noun)	dominate (noun)
royal authority; the dominion of a monarch
the period during which a monarch is sovereign
a period during which something or somebody is dominant or powerful

reign (verb)	dominate (verb)
have sovereign power	have dominance or the power to defeat over
be larger in number, quantity, power, status or importance	be larger in number, quantity, power, status or importance
	be in control
	look down on
	be greater in significance than