peppercorn vs seasoner

peppercorn and seasoner both are nouns.

Word	Noun	Adjective	Verb	Adverb
peppercorn	Yes	No	No	No
seasoner	Yes	No	No	No

As nouns, seasoner is a hypernym of peppercorn; that is, seasoner is a word with a broader meaning than peppercorn:

peppercorn: pungent seasoning from the berry of the common pepper plant of East India; use whole or ground
seasoner: something added to food primarily for the savor it imparts

Other hypernyms of peppercorn include flavorer, flavoring, flavourer, flavouring, seasoning.

peppercorn (noun)	seasoner (noun)
pungent seasoning from the berry of the common pepper plant of East India; use whole or ground	something added to food primarily for the savor it imparts
	a cook who uses seasonings