drop vs lose

drop is a noun but lose is not a noun.

Word	Noun	Adjective	Verb	Adverb
drop	Yes	No	Yes	No
lose	No	No	Yes	No

As verbs, lose is a hypernym of drop; that is, lose is a word with a broader meaning than drop:

drop (noun)	lose (noun)
the act of dropping something
a central depository where things can be left or picked up
a curtain that can be lowered and raised onto a stage from the flies; often used as background scenery
a sudden sharp decrease in some quantity
a free and rapid descent by the force of gravity
a predetermined hiding place for the deposit and distribution of illicit goods (such as drugs or stolen property)
a steep high face of rock
a small indefinite quantity (especially of a liquid)
a shape that is spherical and small

drop (verb)	lose (verb)
give birth; used for animals	be set at a disadvantage
grow progressively worse	withdraw, as from reality
go down in value	fail to win
stop pursuing or acting	suffer the loss of a person through death or removal
change from one level to another	allow to go out of sight or mind
lower the pitch of (musical notes)	fail to perceive or to catch with the senses or the mind
fall or sink into a state of exhaustion or death	fail to get or obtain
leave undone or leave out	miss from one's possessions; lose sight of
omit (a letter or syllable) in speaking or writing	fail to keep or to maintain; cease to have, either physically or in an abstract sense
utter with seeming casualness	fail to make money in a business; make a loss or fail to profit
lose (a game)
take (a drug, especially LSD), by mouth
remove (cargo, people, etc.) from and leave
to remove
cause to fall by or as if by delivering a blow
let or cause to fall in drops
to fall vertically
let fall to the ground
fall or descend to a lower place or level
pay out
stop associating with
terminate an association with
hang loosely