waterfinder vs dowser

waterfinder and dowser both are nouns.

Word	Noun	Adjective	Verb	Adverb
waterfinder	Yes	No	No	No
dowser	Yes	No	No	No

As nouns, waterfinder and dowser are synonyms defined as:

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

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

waterfinder (noun)	dowser (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
	someone who uses a divining rod to find underground water