lac vs seed lac

lac and seed lac both are nouns.

Word	Noun	Adjective	Verb	Adverb
lac	Yes	No	No	No
seed lac	Yes	No	No	No

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

lac: resinlike substance secreted by certain lac insects; used in e.g. varnishes and sealing wax
seed lac: granular material obtained from stick lac by crushing and washing

Other hyponyms of lac include garnet lac, gum-lac, shellac, stick lac.

lac (noun)	seed lac (noun)
resinlike substance secreted by certain lac insects; used in e.g. varnishes and sealing wax	granular material obtained from stick lac by crushing and washing