dowse vs sluice

dowse and sluice both are nouns.

Word	Noun	Adjective	Verb	Adverb
dowse	Yes	No	Yes	No
sluice	Yes	No	Yes	No

As verbs, sluice is a hyponym of dowse; that is, sluice is a word with a more specific, narrower meaning than dowse:

Other hyponyms of dowse include brine, bedraggle, draggle, bate, ret, flush.

dowse (noun)	sluice (noun)
searching for underground water or minerals by using a dowsing rod	conduit that carries a rapid flow of water controlled by a sluicegate

dowse (verb)	sluice (verb)
cover with liquid; pour liquid onto	irrigate with water from a sluice
slacken	draw through a sluice
use a divining rod in search of underground water or metal	transport in or send down a sluice
wet thoroughly	pour as if from a sluice