knightly vs past

knightly is not a noun while past is a noun.

Word	Noun	Adjective	Verb	Adverb
knightly	No	Yes	No	No
past	Yes	Yes	No	Yes

knightly (noun)	past (noun)
	a verb tense that expresses actions or states in the past
	the time that has elapsed
	a earlier period in someone's life (especially one that they have reason to keep secret)

knightly (adjective)	past (adjective)
being attentive to women like an ideal knight	earlier than the present time; no longer current
characteristic of the time of chivalry and knighthood in the Middle Ages	of a person who has held and relinquished a position or office

knightly (adverb)	past (adverb)
	so as to pass a given point