water finder vs waterfinder

water finder and waterfinder both are nouns.

Word	Noun	Adjective	Verb	Adverb
water finder	Yes	No	No	No
waterfinder	Yes	No	No	No

As nouns, water finder and waterfinder are synonyms defined as:

water finder and waterfinder: forked stick that is said to dip down to indicate underground water or oil

Other synonyms of water finder include divining rod, dowser, dowsing rod.

water finder (noun)	waterfinder (noun)
forked stick that is said to dip down to indicate underground water or oil	forked stick that is said to dip down to indicate underground water or oil