exothermal vs exothermic

exothermal and exothermic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
exothermal	No	Yes	No	No
exothermic	No	Yes	No	No

As adjectives, exothermal and exothermic are synonyms defined as:

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

Other synonyms of exothermal include heat-releasing.

exothermal (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