beat vs pulse

beat and pulse both are nouns.

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

As nouns, beat and pulse are synonyms defined as:

beat and pulse: the rhythmic contraction and expansion of the arteries with each beat of the heart

Other synonyms of beat include heartbeat, pulsation.

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

Other hyponyms of beat include pulsate, throb, flutter, palpitate, thrash, flap.

beat (noun)	pulse (noun)
the act of beating to windward; sailing as close as possible to the direction from which the wind is blowing	the rhythmic contraction and expansion of the arteries with each beat of the heart
a stroke or blow	(electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
a regular rate of repetition	edible seeds of various pod-bearing plants (peas or beans or lentils etc.)
the basic rhythmic unit in a piece of music	the rate at which the heart beats; usually measured to obtain a quick evaluation of a person's health
(prosody) the accent in a metrical foot of verse
the rhythmic contraction and expansion of the arteries with each beat of the heart
the sound of stroke or blow
a regular route for a sentry or policeman
a member of the beat generation; a nonconformist in dress and behavior
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

beat (adjective)	pulse (adjective)
very tired

beat (verb)	pulse (verb)
wear out completely	produce or modulate (as electromagnetic waves) in the form of short bursts or pulses or cause an apparatus to produce pulses
be a mystery or bewildering to	expand and contract rhythmically; beat rhythmically
come out better in a competition, race, or conflict	drive by or as if by pulsation
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