pole vaulter vs pole jumper

pole vaulter and pole jumper both are nouns.

Word	Noun	Adjective	Verb	Adverb
pole vaulter	Yes	No	No	No
pole jumper	Yes	No	No	No

As nouns, pole vaulter and pole jumper are synonyms defined as:

pole vaulter and pole jumper: an athlete who jumps over a high crossbar with the aid of a long pole

Other synonyms of pole vaulter include vaulter.

pole vaulter (noun)	pole jumper (noun)
an athlete who jumps over a high crossbar with the aid of a long pole	an athlete who jumps over a high crossbar with the aid of a long pole