sherry vs fortified wine

sherry and fortified wine both are nouns.

Word	Noun	Adjective	Verb	Adverb
sherry	Yes	No	No	No
fortified wine	Yes	No	No	No

As nouns, fortified wine is a hypernym of sherry; that is, fortified wine is a word with a broader meaning than sherry:

sherry: dry to sweet amber wine from the Jerez region of southern Spain or similar wines produced elsewhere; usually drunk as an aperitif
fortified wine: wine to which alcohol (usually grape brandy) has been added

sherry (noun)	fortified wine (noun)
dry to sweet amber wine from the Jerez region of southern Spain or similar wines produced elsewhere; usually drunk as an aperitif	wine to which alcohol (usually grape brandy) has been added