butter knife vs table knife

butter knife and table knife both are nouns.

Word	Noun	Adjective	Verb	Adverb
butter knife	Yes	No	No	No
table knife	Yes	No	No	No

As nouns, table knife is a hypernym of butter knife; that is, table knife is a word with a broader meaning than butter knife:

butter knife: a small knife with a dull blade; for cutting or spreading butter
table knife: a knife used for eating at dining table

butter knife (noun)	table knife (noun)
a small knife with a dull blade; for cutting or spreading butter	a knife used for eating at dining table