fall vs side

fall and side both are nouns.

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

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

Other hypernyms of fall include incline, slope.

fall (noun)	side (noun)
a sudden drop from an upright position	an extended outer surface of an object
the act of surrendering (usually under agreed conditions)	either the left or right half of a body
a lapse into sin; a loss of innocence or of chastity	an aspect of something (as contrasted with some other implied aspect)
a sudden sharp decrease in some quantity	an opinion that is held in opposition to another in an argument or dispute
a free and rapid descent by the force of gravity	(sports) the spin given to a ball by striking it on one side or releasing it with a sharp twist
a sudden decline in strength or number or importance	a lengthwise dressed half of an animal's carcass used for food
when a wrestler's shoulders are forced to the mat	one of two or more contesting groups
a movement downward	a family line of descent
a downward slope or bend	a surface forming part of the outside of an object
the season when the leaves fall from the trees	a line segment forming part of the perimeter of a plane figure
the time of day immediately following sunset	a place within a region identified relative to a center or reference location
	an elevated geological formation

fall (adjective)	side (adjective)
	located on a side

fall (verb)	side (verb)
occur at a specified time or place	take sides for or against
decrease in size, extent, or range
pass suddenly and passively into a state of body or mind
be born, used chiefly of lambs
come out; issue
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