| Laboratory maze critters | 24 |
| Laboratory maze navigators | 26 |
| Laboratory maze runners | 23 |
| Laboratory measuring tube | 25 |
| Laboratory medium | 17 |
| Laboratory need | 15 |
| Laboratory people | 17 |
| Laboratory sessions | 19 |
| Laboratory substance | 20 |
| Laboratory task | 15 |
| Laboratory tube | 15 |
| Laboratory tube (Var.) | 22 |
| Laboratory tubes | 16 |
| Laboratory utensils | 19 |
| Laboratory vessel | 17 |
| Laboratory vessels | 18 |
| Labored | 7 |
| Labored at a loom | 17 |
| Labored breath | 14 |
| Labored breaths | 15 |
| Labored hard | 12 |
| Labored in vain | 15 |
| Laborer | 7 |
| Laborer doing menial work | 25 |
| Laborer in Ethelbald's day | 30 |
| Laborer in Ethelred's day | 29 |
| Laborer in Ivanhoe's day | 28 |
| Laborer in Latin America | 24 |
| Laborer in old England | 22 |
| Laborer near the mouth of a river? | 34 |
| Laborer of old | 14 |
| Laborer of yore | 15 |
| Laborer on an old roof, maybe | 29 |
| Laborer south of the border | 27 |
| Laborer used for underground work? | 34 |
| Laborer's payment | 21 |
| Laborer's recompense | 24 |
| Laborer's suffix | 20 |
| Laborer, for short | 18 |
| Laborer, in Ivanhoe's day | 29 |
| Laborers | 8 |
| Laborers in 1066 | 16 |
| Laborers in Ãvila | 20 |
| Laborers of crosswords | 22 |
| Laborers of old England | 23 |
| Laborers of yore | 16 |
| Laborers' payments | 22 |
| Laborious | 9 |
| Laborious breathing | 19 |
| Laborious effort | 16 |
| Laborious journey | 17 |
| Laborious journeys | 18 |
| Laborious results? | 18 |
| Laborious routine | 17 |
| Laborious stuff | 15 |
| Laborious throw | 15 |
| Laborious travels | 17 |
| Laborious trip | 14 |
| Laborious Warship song? | 23 |
| Laboriously earns, with "out" | 39 |
| Laboriously make | 16 |
| Laborite Ernest | 15 |
| Laborite P.M. | 13 |
| Laborites' preferred workplaces | 35 |
| Labors | 6 |
| Labors along, as a workhorse | 28 |
| Labors for | 10 |
| Labors of Hercules painter | 29 |
| Labors over | 11 |
| Labour | 6 |
| Labour ending | 13 |
| Labour foes | 11 |
| Labour leader Brown | 19 |
| Labour opponent | 15 |
| Labour or social follower | 26 |
| Labour or Jacob suffix | 22 |
| Labour or social follower | 25 |
| Labour Party leader from 1935 to 1955 | 37 |
| Labour rivals | 13 |
| Labour, in England | 18 |
| Laboured breath | 15 |
| Labourer | 8 |
| Labourite's nemesis | 23 |
| Labourite's opponent | 24 |
| Labours | 7 |
| Labradoodle, e.g. | 17 |
| Labrador air base | 17 |
| Labrador explorer | 17 |
| Labrador food? | 14 |
| Labrador hrs. | 13 |
| Labrador lander | 15 |
| Labrador or Newfoundland | 24 |
| Labrador retriever, for short? | 30 |
| Labrador retriever? | 19 |
| Labrador Sea sighting | 21 |
| Labrador sight | 14 |
| Labrador sights | 15 |
| Labrador was added to its provincial name in 2001 | 49 |
| Labrador _____ | 14 |
| Labrador, e.g. | 14 |