fly vs fall

fly and fall both are nouns.

Word	Noun	Adjective	Verb	Adverb
fly	Yes	Yes	Yes	No
fall	Yes	No	Yes	No

As verbs, fall is a hypernym of fly; that is, fall is a word with a broader meaning than fly:

Other hypernyms of fly include decrease, diminish, lessen.

fly (noun)	fall (noun)
(baseball) a hit that flies up in the air	a sudden drop from an upright position
two-winged insects characterized by active flight	the act of surrendering (usually under agreed conditions)
an opening in a garment that is closed by a zipper or by buttons concealed under a fold of cloth	a lapse into sin; a loss of innocence or of chastity
flap consisting of a piece of canvas that can be drawn back to provide entrance to a tent	a sudden sharp decrease in some quantity
fisherman's lure consisting of a fishhook decorated to look like an insect	a free and rapid descent by the force of gravity
	a sudden decline in strength or number or importance
	when a wrestler's shoulders are forced to the mat
	a movement downward
	a downward slope or bend
	the season when the leaves fall from the trees
	the time of day immediately following sunset

fly (adjective)	fall (adjective)
(British informal) not to be deceived or hoodwinked

fly (verb)	fall (verb)
decrease rapidly and disappear	occur at a specified time or place
change quickly from one emotional state to another	decrease in size, extent, or range
transport by aeroplane	pass suddenly and passively into a state of body or mind
hit a fly	be born, used chiefly of lambs
travel through the air; be airborne	come out; issue
operate an airplane	assume a disappointed or sad expression
move quickly or suddenly	begin vigorously
run away quickly	come as if by falling
travel over (an area of land or sea) in an aircraft	be cast down
travel in an airplane	go as if by falling
pass away rapidly	fall or flow in a certain way
cause to fly or float	move downward and lower, but not necessarily all the way
be dispersed or disseminated	move in a specified direction
display in the air or cause to float	descend in free fall under the influence of gravity
	slope downward
	drop oneself to a lower or less erect position
	lose an upright position suddenly
	to be given by assignment or distribution
	be captured
	fall to somebody by assignment or lot; passed
	come into the possession of
	to be given by right or inheritance
	be inherited by
	lose office or power
	yield to temptation or sin
	suffer defeat, failure, or ruin
	lose one's chastity
	die, as in battle or in a hunt
	be due
	come under, be classified or included
	touch or seem as if touching visually or audibly
	fall from clouds