hilt vs knob

hilt and knob both are nouns.

Word	Noun	Adjective	Verb	Adverb
hilt	Yes	No	No	No
knob	Yes	No	No	No

hilt (noun)	knob (noun)
the handle of a sword or dagger	a round handle
	a circular rounded projection or protuberance
	an ornament in the shape of a ball on the hilt of a sword or dagger
	any thickened enlargement