filling vs lekvar

filling and lekvar both are nouns.

Word	Noun	Adjective	Verb	Adverb
filling	Yes	No	No	No
lekvar	Yes	No	No	No

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

filling (noun)	lekvar (noun)
the act of filling something	a sweet filling made of prunes or apricots
the yarn woven across the warp yarn in weaving
(dentistry) a dental appliance consisting of any of various substances (as metal or plastic) inserted into a prepared cavity in a tooth
a food mixture used to fill pastry or sandwiches etc.
flow into something (as a container)
any material that fills a space or container