tibia valga vs impairment

tibia valga and impairment both are nouns.

Word	Noun	Adjective	Verb	Adverb
tibia valga	Yes	No	No	No
impairment	Yes	No	No	No

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

tibia valga: an inward slant of the thigh
impairment: the condition of being unable to perform as a consequence of physical or mental unfitness

Other hypernyms of tibia valga include disability, disablement, handicap.

tibia valga (noun)	impairment (noun)
an inward slant of the thigh	damage that results in a reduction of strength or quality
	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