shaving vs tonsure

shaving and tonsure both are nouns.

Word	Noun	Adjective	Verb	Adverb
shaving	Yes	No	No	No
tonsure	Yes	No	Yes	No

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

shaving: the act of removing hair with a razor
tonsure: shaving the crown of the head by priests or members of a monastic order

shaving (noun)	tonsure (noun)
the act of removing hair with a razor	shaving the crown of the head by priests or members of a monastic order
the act of brushing against while passing	the shaved crown of a monk's or priest's head
a thin fragment or slice (especially of wood) that has been shaved from something

shaving (verb)	tonsure (verb)
	shave the head of a newly inducted monk