drop vs express

drop and express both are nouns.

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

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

Other hypernyms of drop include give tongue to, utter, verbalise, verbalize.

drop (noun)	express (noun)
the act of dropping something	rapid transport of goods
a central depository where things can be left or picked up	public transport consisting of a fast train or bus that makes only a few scheduled stops
a curtain that can be lowered and raised onto a stage from the flies; often used as background scenery	mail that is distributed by a rapid and efficient system
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 (adjective)	express (adjective)
	not tacit or implied
	without unnecessary stops

drop (verb)	express (verb)
give birth; used for animals	articulate; either verbally or with a cry, shout, or noise
grow progressively worse	give expression to
go down in value	serve as a means for expressing something
stop pursuing or acting	indicate through a symbol, formula, etc.
change from one level to another	send by rapid transport or special messenger service
lower the pitch of (musical notes)	obtain from a substance, as by mechanical action
fall or sink into a state of exhaustion or death	manifest the effects of (a gene or genetic trait)
leave undone or leave out
omit (a letter or syllable) in speaking or writing
utter with seeming casualness
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

drop (adverb)	express (adverb)
	by express