| 100% | ENCLOSING | 9 | Including, placing in an envelope with a letter |
| 69% | ENCLOSED | 8 | Placed in an envelope along with the cover letter |
| 61% | ENC | 3 | Anything included with a letter inside an envelope: Abbr. |
| 55% | ENCLOSE | 7 | Include in an envelope, as a check |
| 51% | AKA | 3 | Letters with an alias in a BOLO alert |
| 49% | VARIABLE | 8 | In algebra, a letter with an unknown value |
| 47% | GMAIL | 5 | Its logo is an envelope with a red “M” |
| 46% | ENCLOSING | 9 | Including in an envelope |
| 46% | PINK | 4 | Singer who stylizes her name with an exclamation mark in place of the second letter |
| 45% | TBONE | 5 | Chop with a letter in its name |
| 45% | ENCLOSE | 7 | Include in an envelope, say |
| 45% | CRISPED | 7 | Placed in an air fryer instead of a microwave, say |
| 45% | TOP | 3 | With 66-Across, place on a keyboard to find all the letters in 16-, 28-, 46- and 60-Across |
| 42% | JANIE | 5 | Girl with a gun, in an Aerosmith song |
| 42% | JANIE | 5 | Girl with a gun in an Aerosmith hit |
| 42% | ENC | 3 | Something included in an envelope: Abbr. |
| 42% | LAMBDA | 6 | ___ Legal (group with a Greek letter in its name) |
| 42% | ELECTRIC | 8 | Avenue with a current in an Eddy Grant song |
| 42% | SURELY | 6 | Word confused with a name, in an “Airplane!” gag |
| 42% | NERD | 4 | One with a pocket protector, in an old stereotype |
| 42% | IKEA | 4 | Store with a three-syllable name in four letters |
| 42% | ATTACH | 6 | Include a picture with an email, say |
| 42% | RHO | 3 | Letter paired with chi in a Christogram |
| 41% | PEAR | 4 | With 63 Across, ''partridge in a'' place |
| 41% | EDEN | 4 | Place with a snake in the grass |
| 41% | HOUSE | 5 | Place where one lives ... or a word that goes with "fly" to refer to an insect that's often found in kitchens |
| 41% | TOYSRUS | 7 | Retailer with a backwards letter in its logo (3 wds.) |
| 41% | ALADDIN | 7 | Lad in an Arabian Nights tale with a magic lamp |
| 41% | ENDER | 5 | One with a "Game" in an Orson Scott Card novel |
| 41% | TORAH | 5 | Something you can mark your place in with a yad |