leg covering vs legging

leg covering and legging both are nouns.

Word	Noun	Adjective	Verb	Adverb
leg covering	Yes	No	No	No
legging	Yes	No	No	No

As nouns, leg covering and legging are synonyms defined as:

leg covering and legging: a garment covering the leg (usually extending from the knee to the ankle)

Other synonyms of leg covering include leging.

leg covering (noun)	legging (noun)
a garment covering the leg (usually extending from the knee to the ankle)	a garment covering the leg (usually extending from the knee to the ankle)