tamper vs tampering

tamper and tampering both are nouns.

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

tamper (noun)	tampering (noun)
a tool for tamping (e.g., for tamping tobacco into a pipe bowl or a charge into a drill hole etc.)	the act of altering something secretly or improperly

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