Version Y = Yellow Book of Lecan (TCD, MS 1318 (H.2.16)), cols. 3–88.
| Ref | Text | § | Print ref | MS | |
|---|---|---|---|---|---|
| Y.801 | Lasamain ab eo quod est laisim .i. cach n-an. | 801 | col. 54 | concord. | |
| Y.802 | Lemlacht .i. lacht teith .i. lem cach teith. | 802 | col. 54 | concord. | |
| Y.803 | Loch dede fordangair. loch .i. dubh ut dicitur asoilge laith loch bronda .i. dub brondae, cia dorche samad caich ⁊ cid rundae riam ⁊ iarom, docruide a runa laith dol. Loch dino .i. uile unde dicitur lochdub .i. uiledub. | 803 | col. 54 | concord. | |
| Y.804 | Laarg .i. leo arg .i. leo ball ⁊ arg laoch, ball daglaich indsin. | 804 | col. 54 | concord. | |
| Y.805 | Lorg .i. lui airg .i. laich í ł lar ricc. | 805 | col. 54 | concord. | |
| Y.806 | Lam .i. luam in cuirp. | 806 | col. 54 | concord. | |
| Y.807 | Lamas .i. lam fos .i. fos laime. | 807 | col. 54 | concord. | |
| Y.808 | Lamand .i. lam ind .i. ind na laime eidigthir di. | 808 | col. 54 | concord. | |
| Y.809 | Lauda .i. lu cach mbec, uair is e mer is lauga isin laim e. | 809 | col. 54 | concord. | |
| Y.810 | Lie ab eo quod est lidos greco interpretatur lapis. | 810 | col. 54 | concord. |