pace vs bpm

pace and bpm both are nouns.

Word	Noun	Adjective	Verb	Adverb
pace	Yes	No	Yes	No
bpm	Yes	No	No	No

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

pace: the rate of some repeating event
bpm: the pace of music measured by the number of beats occurring in 60 seconds

Other hyponyms of pace include beats per minute, M.M., metronome marking.

pace (noun)	bpm (noun)
a step in walking or running	the pace of music measured by the number of beats occurring in 60 seconds
the relative speed of progress or change
a unit of length equal to 3 feet; defined as 91.44 centimeters; originally taken to be the average length of a stride
the distance covered by a step
the rate of moving (especially walking or running)
the rate of some repeating event