tonsure vs shaving

tonsure and shaving both are nouns.

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

As nouns, shaving is a hypernym of tonsure; that is, shaving is a word with a broader meaning than tonsure:

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

Other hypernyms of tonsure include shave.

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

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