dowser vs dowsing rod

dowser and dowsing rod both are nouns.

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

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

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

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

dowser (noun)	dowsing rod (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