/ Thesaurus X: Synonyms for Letter X A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Verb x-ray xerox Adjective x x-linked xanthous xc xci xcii xciii xciv xcl xcv xcvi xcvii xcviii xenogeneic xenophobic xeric xerographic xerophytic xi xii xiii xiv xix xl xli xlii xliii xliv xlv xlvi xlvii xlviii xv xvi xvii xviii xx xxi xxii xxiii xxiv xxix xxv xxvi xxvii xxviii xxx xxxi xxxii xxxiii xxxiv xxxv xxxvi xxxvii xxxviii Noun x x-axis x-linked dominant inheritance x-linked gene x-linked recessive inheritance x-linked scid x-or circuit x-radiation x-ray x-ray diffraction x-ray film x-ray machine x-ray photograph x-ray photography x-ray picture x-ray therapy x-ray tube x-raying x-scid x chromosome x ray xanax xanthate xanthelasma xanthemia xanthic acid xanthine xanthium xanthoma xanthoma disseminatum xanthoma multiplex xanthomatosis xanthomonad xanthomonas xanthophyceae xanthophyl xanthophyll xanthopsia xanthorrhoeaceae xanthorroea xanthosis xanthosoma xanthosoma atrovirens xanthosoma sagittifolium xantusiidae xavier xc xe xenarthra xenicidae xenicus xenicus gilviventris xenogenesis xenograft xenolith xenon xenophanes xenophobia xenophon xenopodidae xenopus xenopus laevis xenorhyncus xenorhyncus asiaticus xenosauridae xenosaurus xenotime xenotransplant xenotransplantation xeranthemum xeranthemum annuum xerobates xeroderma xeroderma pigmentosum xerodermia xerographic copier xerographic printer xerography xeroma xerophile xerophilous plant xerophthalmia xerophthalmus xerophyllum xerophyllum tenax xerophyte xerophytic plant xeroradiography xerostomia xerotes xerox xerox copy xerox machine xerxes i xerxes the great xestobium rufovillosum xhosa xi xian xii xiii ximenesia encelioides xinjiang xinjiang uighur autonomous region xiphias xiphias gladius xiphiidae xiphium iris xiphoid process xiphosura xiphosurus polyphemus xishuangbanna dai xiv xix xizang xl xmas xor circuit xor gate xt xtc xv xvi xvii xviii xx xxi xxii xxiii xxiv xxix xxv xxvi xxvii xxviii xxx xxy xxy-syndrome xy xylaria xylaria mali xylaria polymorpha xylariaceae xylem xylene xylocaine xylocopa xylol xylomelum xylomelum pyriforme xylophone xylophonist xylopia xylopia aethiopica xylose xylosma xylosma congestum xyphophorus xyphophorus helleri xyridaceae xyridales xyris xyris operculata xyy Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language