Piper vs pepper

Piper and pepper both are nouns.

Word	Noun	Adjective	Verb	Adverb
Piper	Yes	No	No	No
pepper	Yes	No	Yes	No

Piper (noun)	pepper (noun)
type genus of the Piperaceae: large genus of chiefly climbing tropical shrubs	pungent seasoning from the berry of the common pepper plant of East India; use whole or ground
	sweet and hot varieties of fruits of plants of the genus Capsicum
	any of various tropical plants of the genus Capsicum bearing peppers
	climber having dark red berries (peppercorns) when fully ripe; southern India and Sri Lanka; naturalized in northern Burma and Assam

Piper (verb)	pepper (verb)
	attack and bombard with or as if with missiles
	add pepper to