westerly vs easterly

westerly and easterly both are nouns.

Word	Noun	Adjective	Verb	Adverb
westerly	Yes	Yes	No	Yes
easterly	Yes	Yes	No	Yes

westerly (noun)	easterly (noun)
the winds from the west that occur in the temperate zones of the Earth	a wind from the east

westerly (adjective)	easterly (adjective)
of wind; from the west	from the east; used especially of winds
moving toward the west	lying in or toward the east

westerly (adverb)	easterly (adverb)
in a westward direction	from the east
from the west