dominate vs predominate

dominate is not an adjective while predominate is an adjective.

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

As verbs, dominate and predominate are synonyms defined as:

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

Other synonyms of dominate include prevail, reign, rule.

dominate (adjective)	predominate (adjective)
	having superior power and influence

dominate (verb)	predominate (verb)
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	appear very large or occupy a commanding position
be in control
look down on
be greater in significance than