master vs beat

master and beat both are nouns.

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

As verbs, beat is a hypernym of master; that is, beat is a word with a broader meaning than master:

Other hypernyms of master include beat out, crush, shell, trounce, vanquish.

master (noun)	beat (noun)
an original creation (i.e., an audio recording) from which copies can be made	the act of beating to windward; sailing as close as possible to the direction from which the wind is blowing
key that secures entrance everywhere	a stroke or blow
an artist of consummate skill	a regular rate of repetition
a combatant who is able to defeat rivals	the basic rhythmic unit in a piece of music
an authority qualified to teach apprentices	(prosody) the accent in a metrical foot of verse
directs the work of others	the rhythmic contraction and expansion of the arteries with each beat of the heart
a person who has general authority over others	the sound of stroke or blow
someone who holds a master's degree from academic institution	a regular route for a sentry or policeman
presiding officer of a school	a member of the beat generation; a nonconformist in dress and behavior
an officer who is licensed to command a merchant ship	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

master (adjective)	beat (adjective)
most important element	very tired

master (verb)	beat (verb)
have a firm understanding or knowledge of; be on top of	wear out completely
be or become completely proficient or skilled in	be a mystery or bewildering to
get on top of; deal with successfully	come out better in a competition, race, or conflict
have dominance or the power to defeat over	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