jello vs gelatin dessert

jello and gelatin dessert both are nouns.

Word	Noun	Adjective	Verb	Adverb
jello	Yes	No	No	No
gelatin dessert	Yes	No	No	No

As nouns, gelatin dessert is a hypernym of jello; that is, gelatin dessert is a word with a broader meaning than jello:

jello: fruit-flavored dessert (trade mark Jell-O) made from a commercially prepared gelatin powder
gelatin dessert: jellied dessert made with gelatin and fruit juice or water

Other hypernyms of jello include hydrocolloid.

jello (noun)	gelatin dessert (noun)
fruit-flavored dessert (trade mark Jell-O) made from a commercially prepared gelatin powder	jellied dessert made with gelatin and fruit juice or water