cayenne pepper vs seasoner

cayenne pepper and seasoner both are nouns.

Word	Noun	Adjective	Verb	Adverb
cayenne pepper	Yes	No	No	No
seasoner	Yes	No	No	No

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

cayenne pepper: ground pods and seeds of pungent red peppers of the genus Capsicum
seasoner: something added to food primarily for the savor it imparts

Other hypernyms of cayenne pepper include flavorer, flavoring, flavourer, flavouring, seasoning.

cayenne pepper (noun)	seasoner (noun)
ground pods and seeds of pungent red peppers of the genus Capsicum	something added to food primarily for the savor it imparts
a long and often twisted hot red pepper	a cook who uses seasonings
plant bearing very hot and finely tapering long peppers; usually red