paprika vs capsicum

paprika and capsicum both are nouns.

Word	Noun	Adjective	Verb	Adverb
paprika	Yes	No	No	No
capsicum	Yes	No	No	No

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

paprika: plant bearing large mild thick-walled usually bell-shaped fruits; the principal salad peppers
capsicum: any of various tropical plants of the genus Capsicum bearing peppers

Other hypernyms of paprika include capsicum pepper plant, pepper.

paprika (noun)	capsicum (noun)
a mild powdered seasoning made from dried pimientos	any of various tropical plants of the genus Capsicum bearing peppers
plant bearing large mild thick-walled usually bell-shaped fruits; the principal salad peppers