tibia vara vs disablement

tibia vara and disablement both are nouns.

Word	Noun	Adjective	Verb	Adverb
tibia vara	Yes	No	No	No
disablement	Yes	No	No	No

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

tibia vara: a leg bowed outward at the knee (or below the knee)
disablement: the condition of being unable to perform as a consequence of physical or mental unfitness

Other hypernyms of tibia vara include leg, disability, handicap, impairment.

tibia vara (noun)	disablement (noun)
a leg bowed outward at the knee (or below the knee)	the condition of being unable to perform as a consequence of physical or mental unfitness