Množina: sandals

ETYM French sandale, Latin sandalium.
A shoe consisting of a sole fastened by straps to the foot.
Light shoe, consisting of a sole held onto the foot by straps of leather or fabric. The sandal is known to date back to about 2000 BC in Egypt; it was worn by the Greeks and Romans, and throughout history has been popular footwear in hot climates, worn by both men and women.

Singular of sandals is sandal.

Množina: sandalwoods

ETYM French sandal, santal, from Arabic çandal, or Greek santalon; both ultimately from Skr. candana. Related to Sanders.
Fragrant heartwood of any of certain Asiatic and Australian trees of the genus Santalum, family Santalaceae, used for ornamental carving, in perfume, and burned as incense.
Close-grained fragrant yellowish heartwood of the true sandalwood; has insect-repelling properties and is used for carving and cabinetwork.