heat-releasing vs exothermic

heat-releasing and exothermic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
heat-releasing	No	Yes	No	No
exothermic	No	Yes	No	No

As adjectives, heat-releasing and exothermic are synonyms defined as:

heat-releasing and exothermic: (of a chemical reaction or compound) occurring or formed with the liberation of heat

Other synonyms of heat-releasing include exothermal.

heat-releasing (adjective)	exothermic (adjective)
(of a chemical reaction or compound) occurring or formed with the liberation of heat	(of a chemical reaction or compound) occurring or formed with the liberation of heat