The word marque means a make of car - Ford, Honda, Toyota, etc. The plural is marques.
The word marquee means a a tent, or a rooflike projection from a building. The plural is marquees.
The word Marquis is a rank of some European countries' nobility. The British equivalent is Marquess. The plurals are Marquises and Marquesses.
The word Marquesa is a Spanish word for the wife of a Marquis.