peaceable vs halcyon

peaceable is not a noun while halcyon is a noun.

Word	Noun	Adjective	Verb	Adverb
peaceable	No	Yes	No	No
halcyon	Yes	Yes	No	No

peaceable (noun)	halcyon (noun)
	a mythical bird said to breed at the time of the winter solstice in a nest floating on the sea and to have the power of calming the winds and waves

peaceable (adjective)	halcyon (adjective)
not disturbed by strife or turmoil or war	marked by peace and prosperity
disposed to peace or of a peaceful nature	idyllically calm and peaceful; suggesting happy tranquillity
inclined or disposed to peace