bit vs drill

bit and drill both are nouns.

Word	Noun	Adjective	Verb	Adverb
bit	Yes	No	No	No
drill	Yes	No	Yes	No

bit (noun)	drill (noun)
the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press	systematic training by multiple repetitions
piece of metal held in horse's mouth by reins and used to control the horse while riding	(military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms
the part of a key that enters a lock and lifts the tumblers	similar to the mandrill but smaller and less brightly colored
a short performance that is part of a longer program	a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
a small fragment
an instance of some kind
a small amount of solid food; a mouthful
a small fragment of something broken off from the whole
a unit of measurement of information (from binary + digit); the amount of information in a system having two equiprobable states
a small piece or quantity of something
an indefinitely short time

bit (verb)	drill (verb)
	learn by repetition
	teach by repetition
	train in the military, e.g., in the use of weapons
	undergo military training or do military exercises
	make a hole, especially with a pointed power or hand tool