sluice vs dowse

sluice and dowse both are nouns.

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

As verbs, dowse is a hypernym of sluice; that is, dowse is a word with a broader meaning than sluice:

Other hypernyms of sluice include douse, drench, soak, sop, souse.

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

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