bandy leg vs genu varum

bandy leg and genu varum both are nouns.

Word	Noun	Adjective	Verb	Adverb
bandy leg	Yes	No	No	No
genu varum	Yes	No	No	No

As nouns, bandy leg and genu varum are synonyms defined as:

bandy leg and genu varum: a leg bowed outward at the knee (or below the knee)

Other synonyms of bandy leg include bandyleg, bow leg, bowleg, tibia vara.

bandy leg (noun)	genu varum (noun)
a leg bowed outward at the knee (or below the knee)	a leg bowed outward at the knee (or below the knee)