tamper vs tamping bar

tamper and tamping bar both are nouns.

Word	Noun	Adjective	Verb	Adverb
tamper	Yes	No	Yes	No
tamping bar	Yes	No	No	No

As nouns, tamper and tamping bar are synonyms defined as:

tamper and tamping bar: a tool for tamping (e.g., for tamping tobacco into a pipe bowl or a charge into a drill hole etc.)

Other synonyms of tamper include tamp.

tamper (noun)	tamping bar (noun)
a tool for tamping (e.g., for tamping tobacco into a pipe bowl or a charge into a drill hole etc.)	a tool for tamping (e.g., for tamping tobacco into a pipe bowl or a charge into a drill hole etc.)

tamper (verb)	tamping bar (verb)
play around with or alter or falsify, usually secretively or dishonestly
intrude in other people's affairs or business; interfere unwantedly