cafe vs estaminet

cafe and estaminet both are nouns.

Word	Noun	Adjective	Verb	Adverb
cafe	Yes	No	No	No
estaminet	Yes	No	No	No

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

cafe: a small restaurant where drinks and snacks are sold
estaminet: a small (and usually shabby) cafe selling wine and beer and coffee

Other hyponyms of cafe include caff, cybercafe, espresso shop, pull-in, pull-up.

cafe (noun)	estaminet (noun)
a small restaurant where drinks and snacks are sold	a small (and usually shabby) cafe selling wine and beer and coffee