douse vs slacken

douse and slacken both are verbs.

Word	Noun	Adjective	Verb	Adverb
douse	No	No	Yes	No
slacken	No	No	Yes	No

As verbs, slacken is a hypernym of douse; that is, slacken is a word with a broader meaning than douse:

Other hypernyms of douse include remit.

douse (verb)	slacken (verb)
cover with liquid; pour liquid onto	become looser or slack
slacken	make slack as by lessening tension or firmness
lower quickly	become slow or slower
immerse briefly into a liquid so as to wet, coat, or saturate	make less active or fast
dip into a liquid
wet thoroughly
put out, as of a candle or a light