Version Y = Yellow Book of Lecan (TCD, MS 1318 (H.2.16)), cols. 3–88.
| Ref | Text | § | Print ref | MS | |
|---|---|---|---|---|---|
| YAdd.491 | Daif .i. deogh. | YAdd | 491 | col. 34 | concord. |
| YAdd.492 | Der .i. ingen. | YAdd | 492 | col. 34 | concord. |
| YAdd.493 | Doe .i. duine. | YAdd | 493 | col. 34 | concord. |
| YAdd.494 | Dorblus .i. dobar-lux .i. etarscarad lai ⁊ aidhchi. | YAdd | 494 | col. 34 | concord. |
| YAdd.495 | Dlug .i. acohor. | YAdd | 495 | col. 34 | concord. |
| YAdd.496 | Dobrach i. fliuchaide, ut est .i. Fer Muman a nduain an merligh Ulcha dobrach a ndomnach, a lunn, a mairt mac meirnech, fo bratach senrech sroiglech sruamach maignech mil meirlech. | YAdd | 496 | col. 34 | concord. |
| YAdd.497 | Dam ebraice, damae enim tacens interpretatur. | YAdd | 497 | col. 34 | concord. |
| YAdd.498 | Diamain .i. di-anim. | YAdd | 498 | col. 34 | concord. |
| YAdd.499 | Diamain .i. idan .i. main diada. | YAdd | 499 | col. 34 | concord. |
| YAdd.500 | Deach .i. de-fuach .i. comrnu da sillab conristar and, conad deach ainm gach sillaibe iarsin. | YAdd | 500 | col. 34 | concord. |