endothermic vs heat-absorbing

endothermic and heat-absorbing both are adjectives.

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

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

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

Other synonyms of endothermic include endothermal.

endothermic (adjective)	heat-absorbing (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