hearing vs quick-eared

hearing is a noun but quick-eared is not a noun.

Word	Noun	Adjective	Verb	Adverb
hearing	Yes	Yes	No	No
quick-eared	No	Yes	No	No

hearing (noun)	quick-eared (noun)
the act of hearing attentively
(law) a proceeding (usually by a court) where evidence is taken for the purpose of determining an issue of fact and reaching a decision based on that evidence
the ability to hear; the auditory faculty
a session (of a committee or grand jury) in which witnesses are called and testimony is taken
the range within which a voice can be heard
an opportunity to state your case and be heard

hearing (adjective)	quick-eared (adjective)
able to perceive sound	having keen hearing