| Lets loose, in a way | 20 |
| Lets mistakes pass | 18 |
| Lets off | 8 |
| Lets off hot air | 16 |
| Lets off some steam | 19 |
| Lets off some steam? | 20 |
| Lets off steam | 14 |
| Lets off steam? | 15 |
| Lets off the hook | 17 |
| Lets off the hook? | 18 |
| Lets on | 7 |
| Lets or sublets | 15 |
| Lets out | 8 |
| Lets out a line | 15 |
| Lets out early | 14 |
| Lets out of prison | 18 |
| Lets out or takes in | 20 |
| Lets out, as a fishing line | 27 |
| Lets out, as a line | 19 |
| Lets out, as Festivus grievances | 32 |
| Lets out, as fishing line | 25 |
| Lets out, e.g. | 14 |
| Lets out, maybe | 15 |
| Lets out, say | 13 |
| Lets pass | 9 |
| Lets sit in boiling water | 25 |
| Lets slacken | 12 |
| Lets slide | 10 |
| Lets slip | 9 |
| Lets slip, with "out" | 31 |
| Lets some air in, say | 21 |
| Lets stand | 10 |
| Lets stand, editorially | 23 |
| Lets stand, in copy | 19 |
| Lets stand, in proofreading | 27 |
| Lets the air out | 16 |
| Lets the air out? | 17 |
| Lets the cat out of the bag | 27 |
| Lets the cat out? | 17 |
| Lets the dogs loose | 19 |
| Lets the engine run | 19 |
| Lets the fingers do the talking? | 32 |
| Lets the fur fly? | 17 |
| Lets the lure fly | 17 |
| Lets the tears flow | 19 |
| Lets time improve | 17 |
| Lets touch it? | 14 |
| Lets touch them | 15 |
| Lets touch these | 16 |
| Lets touch this | 15 |
| Lets up | 7 |
| Lets use for now | 16 |
| Lets well enough alone | 22 |
| Lets, in tennis | 15 |
| Lett's neighbor | 19 |
| Letter | 6 |
| Letter #19 | 10 |
| Letter #22 | 10 |
| Letter "Y" wearer | 27 |
| Letter abbr. | 12 |
| Letter abbr. for gents | 22 |
| Letter abbr. that tells the reader there's something else in the envelope | 77 |
| Letter abbreviation | 19 |
| Letter accompanier (abbr.) | 26 |
| Letter accompanier: Abbr. | 25 |
| Letter add-on (Abbr.) | 21 |
| Letter add-ons (Abbr.) | 22 |
| Letter add-ons, for short | 25 |
| Letter add-ons: Abbr. | 21 |
| Letter addenda | 14 |
| Letter addenda (abbr.) | 22 |
| Letter addenda, for short | 25 |
| Letter addenda: Abbr. | 21 |
| Letter addendum, for short | 26 |
| Letter addition letters | 23 |
| Letter additions | 16 |
| Letter additions briefly | 25 |
| Letter addressees | 17 |
| Letter adjunct | 14 |
| Letter adjunct: Abbr. | 21 |
| Letter adornment | 16 |
| Letter afer kay | 15 |
| Letter after "sierra" | 31 |
| Letter after aleph | 18 |
| Letter after alpha | 18 |
| Letter after ar | 15 |
| Letter after beta | 17 |
| Letter after Beta in a society's name | 41 |
| Letter after cee | 16 |
| Letter after Charlie | 20 |
| Letter after chi | 16 |
| Letter after delta | 18 |
| Letter after elle in the Spanish alphabet | 41 |
| Letter after epsilon | 20 |
| Letter after ess | 16 |
| Letter after eta | 16 |
| Letter after ex | 15 |
| Letter after gee | 16 |
| Letter after gimel | 18 |
| Letter after iota | 17 |