xylanthrax |zaɪˈlænθræks| — (archaic) Wood coal or charcoal, distinguished from mineral coal; lignite.

xylograph |ˈzaɪləɡræf| — An engraving in wood, especially one used for printing.

xylography |zaɪˈlɑːɡrəfiː| — The art of making xylographs.

xylonite |ˈzaɪlənaɪt| — 1920, James Duff Brown, William Charles Berwick Sayers, Manual of library economy

xylophone |ˈzaɪləfəʊn| — a percussion instrument with wooden bars tuned to produce a chromatic scale and with resonators; played with small mallets

xylose |ˈzaɪləʊs| — a sugar extracted from wood or straw; used in foods for diabetics

xyster |ˈzɪstər| — A surgical instrument used to scrape bones.