| Ya | adv | Yes |
| Yackle | n | Green Woodpecker |
| Yaffingale | n | Green Woodpecker |
| Yaffle (1) | n | Green Woodpecker |
| Yaffle (2) | v | Gobble |
| Yafful | n | Handful |
| Yah (1) | int | Expression of derision |
| Yah (2) | int | Call to horse to come |
| Yail | n | Stake |
| Yallack | int | Look here |
| Yang | v | Deride |
| Yanger | adv | Yonder |
| Yanna | int | Is it not? |
| Yape | v | Gossip |
| Yapper | v | Chatter |
| Yardie | n | Docker |
| Yark (1) | v | Yank |
| Yark (2) | adj | Lively |
| Yary | adj | Quick-witted |
| Yaspen | n | Handful |
| Yatch-Matcher | n | Wheatear |
| Yate | int | Call to horse to go right |
| Yaup | v | Yawn |
| Yavill | n | Heath |
| Yawl | v | Howl |
| Yawnups | n | Fool |
| Yea | int | Yes |
| Yean | v | Lamb |
| Yeared | adj | Years old |
| Yeld | n | Animal, barren |
| Yelding | n | Coward |
| Yelk | n | Yolk |
| Yell-Hunter | n | Wild Hunt, member of |
| Yellop | v | Howl |
| Yellow-Omber | n | Yellowhammer |
| Yelm | n | Thatch |
| Yelper | n | Redshank |
| Yemmell | n | Aftermath |
| Yems | n | Yoke |
| Yeomath | n | Aftermath |
| Yesh | n | Earthworm, large |
| Yessle | v | Jostle |
| Yeth-Hounds | n | Hounds, spectral |
| Yewers | n | Embers |
| Yewmors | n | Embers |
| Yheat-Stool | n | Stool nearest fireplace |
| Yike | n | Woodpecker, call of |
| Yirr | v | Yell |
| Yoke | n | Hiccup |
| Yokel | n | Yellowhammer |
| Yokey-Molkit | n | Tabby-Cat |
| Yolk | n | Grease |
| Yolky | adj | Tawny |
| Yolt | n | Newt |
| Yond | adv | Yonder |
| Yoppul | n | Babble |
| Yot | v | Unite |
| Yote | v | Pour |
| Youngen-Hook | n | Reaping-Hook, large |
| Yowe | n | Ewe |
| Yowt | int | Csll to oxen to come |
| Yox | v | Hiccup |
| Yuccups | n | Hiccups |
| Yuckel | n | Green Woodpecker |
| Yuckning | n | Addition |
| Yusen | n | Cattle-Trough |