honor vs honorable

honor is a noun but honorable is not a noun.

Word	Noun	Adjective	Verb	Adverb
honor	Yes	No	Yes	No
honorable	No	Yes	No	No

honor (noun)	honorable (noun)
the quality of being honorable and having a good name
a woman's virtue or chastity
a tangible symbol signifying approval or distinction
the state of being honored

honor (adjective)	honorable (adjective)
	worthy of being honored; entitled to honor and respect
	not disposed to cheat or defraud; not deceptive or fraudulent; marked by truth
	deserving of esteem and respect
	adhering to ethical and moral principles