knight vs dub

knight and dub both are nouns.

Word	Noun	Adjective	Verb	Adverb
knight	Yes	No	Yes	No
dub	Yes	No	Yes	No

As verbs, knight and dub are synonyms defined as:

knight (noun)	dub (noun)
a chessman shaped to resemble the head of a horse; can move two squares horizontally and one vertically (or vice versa)	the new sounds added by dubbing
originally a person of noble birth trained to arms and chivalry; today in Great Britain a person honored by the sovereign for personal merit

knight (verb)	dub (verb)
raise (someone) to knighthood	give a nickname to
	provide (movies) with a soundtrack of a foreign language
	raise (someone) to knighthood