tamping bar vs tamper

tamping bar and tamper both are nouns.

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

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

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

Other synonyms of tamping bar include tamp.

tamping bar (noun)	tamper (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.)

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