Jell-O vs jello

Jell-O and jello both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jell-O	Yes	No	No	No
jello	Yes	No	No	No

As nouns, Jell-O and jello are synonyms defined as:

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

Jell-O (noun)	jello (noun)
fruit-flavored dessert (trade mark Jell-O) made from a commercially prepared gelatin powder	fruit-flavored dessert (trade mark Jell-O) made from a commercially prepared gelatin powder