sandal vs espadrille

sandal and espadrille both are nouns.

Word	Noun	Adjective	Verb	Adverb
sandal	Yes	No	No	No
espadrille	Yes	No	No	No

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

sandal: a shoe consisting of a sole fastened by straps to the foot
espadrille: a sandal with a sole made of rope or rubber and a cloth upper part

Other hyponyms of sandal include flip-flop, thong, huarache, huaraches, pusher, zori, scuffer, talaria.

sandal (noun)	espadrille (noun)
a shoe consisting of a sole fastened by straps to the foot	a sandal with a sole made of rope or rubber and a cloth upper part