beat vs foot

beat and foot both are nouns.

Word	Noun	Adjective	Verb	Adverb
beat	Yes	Yes	Yes	No
foot	Yes	No	Yes	No

As nouns, foot is a hyponym of beat; that is, foot is a word with a more specific, narrower meaning than beat:

beat: (prosody) the accent in a metrical foot of verse
foot: (prosody) a group of 2 or 3 syllables forming the basic unit of poetic rhythm

Other hyponyms of beat include catalexis, scansion, common measure, common meter, metrical foot, metrical unit.

beat (noun)	foot (noun)
the act of beating to windward; sailing as close as possible to the direction from which the wind is blowing	travel by walking
a stroke or blow	any of various organs of locomotion or attachment in invertebrates
a regular rate of repetition	the pedal extremity of vertebrates other than human beings
the basic rhythmic unit in a piece of music	lowest support of a structure
(prosody) the accent in a metrical foot of verse	a support resembling a pedal extremity
the rhythmic contraction and expansion of the arteries with each beat of the heart	the part of the leg of a human being below the ankle joint
the sound of stroke or blow	(prosody) a group of 2 or 3 syllables forming the basic unit of poetic rhythm
a regular route for a sentry or policeman	an army unit consisting of soldiers who fight on foot
a member of the beat generation; a nonconformist in dress and behavior	the lower part of anything
a single pulsation of an oscillation produced by adding two waves of different frequencies; has a frequency equal to the difference between the two oscillations	a member of a surveillance team who works on foot or rides as a passenger
	a linear unit of length equal to 12 inches or a third of a yard

beat (adjective)	foot (adjective)
very tired

beat (verb)	foot (verb)
wear out completely	add a column of numbers
be a mystery or bewildering to	walk
come out better in a competition, race, or conflict	pay for something
beat through cleverness and wit
hit repeatedly
give a beating to; subject to a beating, either as a punishment or as an act of aggression
stir vigorously
strike (a part of one's own body) repeatedly, as in great emotion or in accompaniment to music
strike (water or bushes) repeatedly to rouse animals for hunting
shape by beating
make by pounding or trampling
produce a rhythm by striking repeatedly
move rhythmically
sail with much tacking or with difficulty
move with a flapping motion
indicate by beating, as with the fingers or drumsticks
move with a thrashing motion
move with or as if with a regular alternating motion
make a rhythmic sound
make a sound like a clock or a timer
glare or strike with great intensity
avoid paying
be superior