waterfinder vs water finder

waterfinder and water finder both are nouns.

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

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

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

Other synonyms of waterfinder include divining rod, dowser, dowsing rod.

waterfinder (noun)	water finder (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