- Xylol Subst. Adj.
- Xylolite Subst. Adj.
- Xylometer Subst. Adj.
- Xylonite Subst. Adj.
- Xylophagous Adj.
- Xylophone Subst. Adj.
- Xylophonist Subst. Adj.
- Xylose Subst. Adj.
- Xylotomous Adj.
- Xyloyl Subst. Adj.
- Xylulose Subst. Adj.
- Xylyl Subst. Adj.
- Xylylene Subst. Adj.
- Yabby Subst. Verb Adj.
- Yacht Subst. Verb Adj.
- Yachtie Subst. Adj.
- Yachting Subst. Adj.
- Yachty Adj. Subst.
- Yaffle Subst. Verb Adj.
- Yahwist Subst. Adj.
- Yak Subst. Verb Adj.
- Yakima Eigenn. Subst. Adj.
- Yakut Subst. Adj. Eigenn.
- Yakutsk Subst. Eigenn. Adj.
- Yale Subst. Eigenn. Adj.
- Yalta Eigenn. Adj.
- Yam Subst. Adj.
- Yamen Subst. Adj.
- Yangon Subst. Eigenn. Adj.
- Yangonin Subst. Adj.
- Yank Subst. Verb Adj.
- Yankee Subst. Adj.
- Yankeefied Adj. Part. Perf.
- Yankeeish Adj.
- Yanqui Subst. Adj.
- Yap Subst. Verb Adj. Inter.
- Yapock Subst. Eigenn. Adj.
- Yapok Subst. Adj.
- Yapper Subst. Verb Adj.
- Yard Subst. Adj. Verb Eigenn.
- Yardage Subst. Adj.
- Yardgoods Subst. Adj.
- Yardmaster Subst. Adj.
- Yardstick Subst. Adj.
- Yardwork Subst. Adj.
- Yarn Subst. Verb Adj.
- Yarovization Subst. Adj.
- Yarran Subst. Adj.
- Yarrow Subst. Adj.
- Yataghan Subst. Adj.
- Yaupon Subst. Adj.
- Yaw Subst. Verb Adj.
- Yawl Subst. Verb Adj.
- Yawmeter Subst. Adj.
- Yawping Subst. Adj.
- Yay Inter. Subst. Adj. Adv.
- Yeaning Subst. Adj.
- Yeanling Subst. Adj.
- Year Subst. Adj.
- Year-end Adj. Subst.