whetstone vs hone

whetstone and hone both are nouns.

Word	Noun	Adjective	Verb	Adverb
whetstone	Yes	No	No	No
hone	Yes	No	Yes	No

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

Other hyponyms of whetstone include oilstone.

whetstone (noun)	hone (noun)
a flat stone for sharpening edged tools or knives	a whetstone made of fine gritstone; used for sharpening razors
	a tool consisting of a number of fine abrasive slips held in a machine head, rotated and reciprocated to impart a smooth finish to cylinder bores, etc.

whetstone (verb)	hone (verb)
	make perfect or complete
	sharpen with a hone