impairment vs detriment

impairment and detriment both are nouns.

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

As nouns, detriment is a hyponym of impairment; that is, detriment is a word with a more specific, narrower meaning than impairment:

Other hyponyms of impairment include hurt, deformation, distortion, ladder, ravel, run.

impairment (noun)	detriment (noun)
damage that results in a reduction of strength or quality	a damage or loss
the act of making something futile and useless (as by routine)
the occurrence of a change for the worse
the condition of being unable to perform as a consequence of physical or mental unfitness
a symptom of reduced quality or strength