beat vs shaft

beat and shaft both are nouns.

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

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

beat (noun)	shaft (noun)
the act of beating to windward; sailing as close as possible to the direction from which the wind is blowing	the hollow spine of a feather
a stroke or blow	a long rod or pole (especially the handle of an implement or the body of a weapon like a spear or arrow)
a regular rate of repetition	a revolving rod that transmits power or motion
the basic rhythmic unit in a piece of music	a long vertical passage sunk into the earth, as for a mine or tunnel
(prosody) the accent in a metrical foot of verse	(architecture) upright consisting of the vertical part of a column
the rhythmic contraction and expansion of the arteries with each beat of the heart	a vertical passageway through a building (as for an elevator)
the sound of stroke or blow	a long pointed rod used as a tool or weapon
a regular route for a sentry or policeman	the main (mid) section of a long bone
a member of the beat generation; a nonconformist in dress and behavior	obscene terms for penis
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 line that forms the length of an arrow pointer
	an aggressive remark directed at a person like a missile and intended to have a telling effect
	a column of light (as from a beacon)

beat (adjective)	shaft (adjective)
very tired

beat (verb)	shaft (verb)
wear out completely	defeat someone through trickery or deceit
be a mystery or bewildering to	equip with a shaft
come out better in a competition, race, or conflict
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