tamper vs tamp

tamper and tamp both are nouns.

Word	Noun	Adjective	Verb	Adverb
tamper	Yes	No	Yes	No
tamp	Yes	No	Yes	No

As nouns, tamper and tamp are synonyms defined as:

tamper and tamp: 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 tamping bar.

tamper (noun)	tamp (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)	tamp (verb)
play around with or alter or falsify, usually secretively or dishonestly	press down tightly
intrude in other people's affairs or business; interfere unwantedly