percussion vs pleximetry

percussion and pleximetry both are nouns.

Word	Noun	Adjective	Verb	Adverb
percussion	Yes	No	No	No
pleximetry	Yes	No	No	No

As nouns, percussion and pleximetry are synonyms defined as:

percussion and pleximetry: tapping a part of the body for diagnostic purposes

percussion (noun)	pleximetry (noun)
the act of exploding a percussion cap	tapping a part of the body for diagnostic purposes
the act of playing a percussion instrument
tapping a part of the body for diagnostic purposes
the section of a band or orchestra that plays percussion instruments