impairment vs damage

impairment and damage both are nouns.

Word	Noun	Adjective	Verb	Adverb
impairment	Yes	No	No	No
damage	Yes	No	Yes	No

As nouns, damage is a hypernym of impairment; that is, damage is a word with a broader meaning than impairment:

Other hypernyms of impairment include harm, hurt, scathe.

As nouns, impairment and damage are synonyms defined as:

Other synonyms of impairment include harm.

impairment (noun)	damage (noun)
damage that results in a reduction of strength or quality	the act of damaging something or someone
the act of making something futile and useless (as by routine)	any harm or injury resulting from a violation of a legal right
the occurrence of a change for the worse	the occurrence of a change for the worse
the condition of being unable to perform as a consequence of physical or mental unfitness	loss of military equipment
a symptom of reduced quality or strength	the amount of money needed to purchase something

impairment (verb)	damage (verb)
	inflict damage upon
	suffer or be susceptible to damage