lute vs sealing material

lute and sealing material both are nouns.

Word	Noun	Adjective	Verb	Adverb
lute	Yes	No	No	No
sealing material	Yes	No	No	No

As nouns, sealing material is a hypernym of lute; that is, sealing material is a word with a broader meaning than lute:

lute: a substance for packing a joint or coating a porous surface to make it impervious to gas or liquid
sealing material: any substance used to seal joints or fill cracks in a porous surface

lute (noun)	sealing material (noun)
chordophone consisting of a plucked instrument having a pear-shaped body, a usually bent neck, and a fretted fingerboard	any substance used to seal joints or fill cracks in a porous surface
a substance for packing a joint or coating a porous surface to make it impervious to gas or liquid