| Code of the samurai | 19 |
| Code often used for take-home tests | 35 |
| Code on a letter | 16 |
| Code on grocery boxes | 21 |
| Code on Hartsfield-bound luggage | 32 |
| Code on some N.Y.C.-bound luggage | 33 |
| Code on some NYC-bound luggage tags | 35 |
| Code or chart type | 18 |
| Code or colony leader | 21 |
| Code or colony preceder | 23 |
| Code or gun | 11 |
| Code or offense | 15 |
| Code or rehearsal preceder | 26 |
| Code or rug | 11 |
| Code or rug preceder | 20 |
| Code or way | 11 |
| Code preceder | 13 |
| Code predecessor | 16 |
| Code signal | 11 |
| Code signals | 12 |
| Code sound | 10 |
| Code sounds | 11 |
| Code start | 10 |
| Code subject | 12 |
| Code talker language | 20 |
| Code talkers' tribe | 23 |
| Code that's dangerous to break | 34 |
| Code that's not a secret | 28 |
| Code to live by? | 16 |
| Code type | 9 |
| Code unit | 9 |
| Code used at an ATM | 19 |
| Code used for old e-mail signature "art" | 50 |
| Code user | 9 |
| Code where T is - | 17 |
| Code with 95 printable characters | 33 |
| Code word | 9 |
| Code word for ''A'' | 35 |
| Code word for 'A' | 25 |
| Code word for "A" | 27 |
| Code word for "K" | 27 |
| Code word for "N" in the old U.S. Phonetic Alphabet | 61 |
| Code word for "S" | 27 |
| Code word for A | 15 |
| Code word for K | 15 |
| Code word for L | 15 |
| Code word for M | 15 |
| Code word for T | 15 |
| Code word? | 10 |
| Code words | 10 |
| Code words for "A" | 28 |
| Code words for k's | 22 |
| Code words for n's | 22 |
| Code writer of a kind | 21 |
| Code you use on tour? | 21 |
| Code ___ (child safety program) | 31 |
| Code's contents | 19 |
| Code-breaking central, in brief | 31 |
| Code-breaking D.C. gp. | 22 |
| Code-breaking govt. group | 25 |
| Code-breaking gp. | 17 |
| Code-breaking grp. | 18 |
| Code-breaking org. | 18 |
| Code-busting org. | 17 |
| Code-crackers' org. | 23 |
| Code-cracking govt. org. | 24 |
| Code-cracking gp. | 17 |
| Code-cracking grp. | 18 |
| Code-cracking intelligence org. | 31 |
| Code-cracking org. | 18 |
| Code-cracking org. in Tom Clancy novels | 39 |
| Code-sender's A | 19 |
| Code-writer's medium | 24 |
| Codebreaker's discovery | 27 |
| Codebreaker's org. | 22 |
| Codebreakers' org. | 22 |
| Codebreaking govt. org. | 23 |
| Coded bit of language used by hockey players? | 45 |
| Coded instructions for a modern machine | 39 |
| Coded material | 14 |
| Coded matter | 12 |
| Coded message | 13 |
| Coded messages | 14 |
| Coded order to Adm. Nagumo: 12/2/41 | 35 |
| Coded plea | 10 |
| Coded region | 12 |
| Coded transmission feeder | 25 |
| Coded wire transmission | 23 |
| Codeine source | 14 |
| Codeine, e.g. | 13 |
| Codeine, for one | 16 |
| Coder's banes | 17 |
| Coder's unit | 16 |
| Codes | 5 |
| Codes of belief | 15 |
| Codes of conduct (abbr.) | 24 |
| Codes, in Cambridge | 19 |
| Codesharer with Qantas | 22 |
| Codex contents: Abbr. | 21 |
| Codex precursor | 15 |