fall vs trip

fall and trip both are nouns.

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

As nouns, trip is a hypernym of fall; that is, trip is a word with a broader meaning than fall:

Other hypernyms of fall include slip.

fall (noun)	trip (noun)
a sudden drop from an upright position	a journey for some purpose (usually including the return)
the act of surrendering (usually under agreed conditions)	an unintentional but embarrassing blunder
a lapse into sin; a loss of innocence or of chastity	a light or nimble tread
a sudden sharp decrease in some quantity	a catch mechanism that acts as a switch
a free and rapid descent by the force of gravity	an accidental misstep threatening (or causing) a fall
a sudden decline in strength or number or importance	an exciting or stimulating experience
when a wrestler's shoulders are forced to the mat	a hallucinatory experience induced by drugs
a movement downward
a downward slope or bend
the season when the leaves fall from the trees
the time of day immediately following sunset

fall (verb)	trip (verb)
occur at a specified time or place	get high, stoned, or drugged
decrease in size, extent, or range	put in motion or move to act
pass suddenly and passively into a state of body or mind	miss a step and fall or nearly fall
be born, used chiefly of lambs	cause to stumble
come out; issue	make a trip for pleasure
assume a disappointed or sad expression
begin vigorously
come as if by falling
be cast down
go as if by falling
fall or flow in a certain way
move downward and lower, but not necessarily all the way
move in a specified direction
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