heat-absorbing vs endothermic

heat-absorbing and endothermic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
heat-absorbing	No	Yes	No	No
endothermic	No	Yes	No	No

As adjectives, heat-absorbing and endothermic are synonyms defined as:

heat-absorbing and endothermic: (of a chemical reaction or compound) occurring or formed with absorption of heat

Other synonyms of heat-absorbing include endothermal.

heat-absorbing (adjective)	endothermic (adjective)
(of a chemical reaction or compound) occurring or formed with absorption of heat	(of a chemical reaction or compound) occurring or formed with absorption of heat