tabasco pepper vs capsicum

tabasco pepper and capsicum both are nouns.

Word	Noun	Adjective	Verb	Adverb
tabasco pepper	Yes	No	No	No
capsicum	Yes	No	No	No

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

tabasco pepper: plant bearing very hot medium-sized oblong red peppers; grown principally in the Gulf Coast states for production of hot sauce
capsicum: any of various tropical plants of the genus Capsicum bearing peppers

Other hypernyms of tabasco pepper include capsicum pepper plant, pepper.

tabasco pepper (noun)	capsicum (noun)
plant bearing very hot medium-sized oblong red peppers; grown principally in the Gulf Coast states for production of hot sauce	any of various tropical plants of the genus Capsicum bearing peppers