sherry vs Amontillado

sherry and Amontillado both are nouns.

Word	Noun	Adjective	Verb	Adverb
sherry	Yes	No	No	No
Amontillado	Yes	No	No	No

As nouns, Amontillado is a hyponym of sherry; that is, Amontillado is a word with a more specific, narrower 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
Amontillado: pale medium-dry sherry from Spain

Other hyponyms of sherry include Manzanilla.

sherry (noun)	Amontillado (noun)
dry to sweet amber wine from the Jerez region of southern Spain or similar wines produced elsewhere; usually drunk as an aperitif	pale medium-dry sherry from Spain