dowsing rod vs dowser

dowsing rod and dowser both are nouns.

Word	Noun	Adjective	Verb	Adverb
dowsing rod	Yes	No	No	No
dowser	Yes	No	No	No

As nouns, dowsing rod and dowser are synonyms defined as:

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

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

dowsing rod (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