louvre vs slat

louvre and slat both are nouns.

Word	Noun	Adjective	Verb	Adverb
louvre	Yes	No	No	No
slat	Yes	No	Yes	No

As nouns, slat is a hypernym of louvre; that is, slat is a word with a broader meaning than louvre:

louvre: one of a set of parallel slats in a door or window to admit air and reject rain
slat: a thin strip (wood or metal)

Other hypernyms of louvre include spline.

louvre (noun)	slat (noun)
one of a set of parallel slats in a door or window to admit air and reject rain	a thin strip (wood or metal)

louvre (verb)	slat (verb)
	close the slats of (windows)
	equip or bar with slats