Venus vs inferior planet

Venus and inferior planet both are nouns.

Word	Noun	Adjective	Verb	Adverb
Venus	Yes	No	No	No
inferior planet	Yes	No	No	No

Venus (noun)	inferior planet (noun)
type genus of the family Veneridae: genus of edible clams with thick oval shells	any of the planets whose orbit lies inside the earth's orbit
the second nearest planet to the sun; it is peculiar in that its rotation is slow and retrograde (in the opposite sense of the Earth and all other planets except Uranus); it is visible from Earth as an early `morning star' or an `evening star'
goddess of love; counterpart of Greek Aphrodite