seed beetle vs weevil

seed beetle and weevil both are nouns.

Word	Noun	Adjective	Verb	Adverb
seed beetle	Yes	No	No	No
weevil	Yes	No	No	No

As nouns, weevil is a hypernym of seed beetle; that is, weevil is a word with a broader meaning than seed beetle:

seed beetle: a small beetle that infests the seeds of legumes
weevil: any of several families of mostly small beetles that feed on plants and plant products; especially snout beetles and seed beetles

seed beetle (noun)	weevil (noun)
a small beetle that infests the seeds of legumes	any of several families of mostly small beetles that feed on plants and plant products; especially snout beetles and seed beetles