hydrocolloid vs jello

hydrocolloid and jello both are nouns.

Word	Noun	Adjective	Verb	Adverb
hydrocolloid	Yes	No	No	No
jello	Yes	No	No	No

As nouns, jello is a hyponym of hydrocolloid; that is, jello is a word with a more specific, narrower meaning than hydrocolloid:

hydrocolloid: a substance that forms a gel with water
jello: fruit-flavored dessert (trade mark Jell-O) made from a commercially prepared gelatin powder

Other hyponyms of hydrocolloid include Jell-O.

hydrocolloid (noun)	jello (noun)
a substance that forms a gel with water	fruit-flavored dessert (trade mark Jell-O) made from a commercially prepared gelatin powder