hominoid vs primate

hominoid and primate both are nouns.

Word	Noun	Adjective	Verb	Adverb
hominoid	Yes	No	No	No
primate	Yes	No	No	No

As nouns, primate is a hypernym of hominoid; that is, primate is a word with a broader meaning than hominoid:

hominoid: a primate of the superfamily Hominoidea
primate: any placental mammal of the order Primates; has good eyesight and flexible hands and feet

hominoid (noun)	primate (noun)
a primate of the superfamily Hominoidea	any placental mammal of the order Primates; has good eyesight and flexible hands and feet
	a senior clergyman and dignitary