| Length or breadth | 17 |
| Length or width | 15 |
| Length times breadth | 20 |
| Length times depth | 18 |
| Length times width | 18 |
| Length times width result | 25 |
| Length times width, e.g. | 24 |
| Length times width, for a rectangle | 35 |
| Length times width, often | 25 |
| Length times width, sometimes | 29 |
| Length times width, squarely | 28 |
| Length unit | 11 |
| Length unit in Lyon | 19 |
| Length unit in Vigo | 19 |
| Length units | 12 |
| Length units in Mexico | 22 |
| Length X width | 14 |
| Length x width, e.g. | 20 |
| Length x width, for a rectangle | 31 |
| Length X width, for rectangles | 30 |
| Length x width, perhaps | 23 |
| Length-times-width calculation | 30 |
| Length-times-width calculations | 31 |
| Length-times-width product | 26 |
| Length-times-width result | 25 |
| Lengthen | 8 |
| Lengthen (with ''to'') | 38 |
| Lengthen (with "to") | 30 |
| Lengthen a pant leg | 19 |
| Lengthen in duration | 20 |
| Lengthen in time | 16 |
| Lengthen or broaden | 19 |
| Lengthen or shorten | 19 |
| Lengthen unnecessarily | 22 |
| Lengthen, as a lead | 19 |
| Lengthen, as a rubber band | 26 |
| Lengthen, as a speech | 21 |
| Lengthen, maybe | 15 |
| Lengthen, with “to” | 27 |
| Lengthened | 10 |
| Lengthened unnecessarily | 24 |
| Lengthens | 9 |
| Lengthens, old-style | 20 |
| Lengthier | 9 |
| Lengths | 7 |
| Lengths in Leeds | 16 |
| Lengths of .001 inch | 20 |
| Lengths of cloth | 16 |
| Lengths of leather for shaving | 30 |
| Lengths of service | 18 |
| Lengths of some dashes | 22 |
| Lengths of time | 15 |
| Lengths: Abbr. | 14 |
| Lengthwise | 10 |
| Lengthwise and contiguous | 25 |
| Lengthwise on a lighter | 23 |
| Lengthwise, old-style | 21 |
| Lengthwise, on a ship | 21 |
| Lengthwise: Abbr. | 17 |
| Lengthy | 7 |
| Lengthy account | 15 |
| Lengthy account, in slang | 25 |
| Lengthy assaults | 16 |
| Lengthy auto race | 17 |
| Lengthy chronicle | 17 |
| Lengthy discourses | 18 |
| Lengthy discussion | 18 |
| Lengthy downpour | 16 |
| Lengthy fish | 12 |
| Lengthy footrace | 16 |
| Lengthy guarantee period | 24 |
| Lengthy interval | 16 |
| Lengthy lamentation | 19 |
| Lengthy legends | 15 |
| Lengthy list | 12 |
| Lengthy lock | 12 |
| Lengthy lunches? | 16 |
| Lengthy lurker of the deep | 26 |
| Lengthy lurkers of the deep | 27 |
| Lengthy macromolecule | 21 |
| Lengthy meals | 13 |
| Lengthy meals? | 14 |
| Lengthy military sign-up? | 25 |
| Lengthy Nabokov novel | 21 |
| Lengthy narrative | 17 |
| Lengthy narratives | 18 |
| Lengthy painting | 16 |
| Lengthy period | 14 |
| Lengthy recitals | 16 |
| Lengthy recitation | 18 |
| Lengthy reigns, say | 19 |
| Lengthy reproval | 16 |
| Lengthy sentence | 16 |
| Lengthy skirt | 13 |
| Lengthy song catalog | 20 |
| Lengthy song catalog? | 21 |
| Lengthy South American river | 28 |
| Lengthy speech | 14 |
| Lengthy stories | 15 |
| Lengthy story | 13 |