| Text | Length |
| Harder to spot | 14 |
| Harder to solve | 15 |
| Harder to see in | 16 |
| Harder to see | 13 |
| Harder to pin down | 18 |
| Harder to penetrate | 19 |
| Harder to outwit | 16 |
| Harder to make out | 18 |
| Harder to look at | 17 |
| Harder to locate | 16 |
| Harder to hunt down | 19 |
| Harder to grasp | 15 |
| Harder to get | 13 |
| Harder to find | 14 |
| Harder to explain | 17 |
| Harder to dig up | 16 |
| Harder to crack | 15 |
| Harder to come by | 17 |
| Harder to believe | 17 |
| Harder on the eyes | 18 |
| Harder on the ears | 18 |
| Hardens, variantly | 18 |
| Hardens, perhaps | 16 |
| Hardens, as fat | 15 |
| Hardens, as clay | 16 |
| Hardens, as cement | 18 |
| Hardens, as bones | 17 |
| Hardens with heat | 17 |
| Hardens into bone | 17 |
| Hardens chemically | 18 |
| Hardens after time | 18 |
| Hardens (to) | 12 |
| Hardening into bone | 19 |
| Hardened into bone | 18 |
| Hardened criminal | 17 |
| Hardened campaigner | 19 |
| Hardened by use | 15 |
| Hardened (to) | 13 |
| Hardened (oneself) | 18 |
| Harden: Var. | 12 |
| Harden, in a way | 16 |
| Harden, as troops | 17 |
| Harden, as plaster | 18 |
| Harden, as glue | 15 |
| Harden, as cement | 17 |
| Harden into bone | 16 |
| Harden by heat | 14 |
| Harden (Var.) | 13 |
| Harden (to) (Var.) | 18 |
| Hardcover holders | 17 |
| Hardcover covers | 16 |
| Hardcover cover | 15 |
| Hardcore offshoot | 17 |
| Hardcore genre | 14 |
| Hardboard brand | 15 |
| Hardback protectors | 19 |
| Hardaway or Rice | 16 |
| Hardass, as it were | 19 |
| Hardanger or Sogne | 18 |
| Hard: Prefix | 12 |
| Hard: Comb. form | 16 |
| Hard/rock center | 16 |
| Hard-___ (tough) | 16 |
| Hard-working simian | 19 |
| Hard-working insect | 19 |
| Hard-working bug | 16 |
| Hard-working boats | 18 |
| Hard-working Alger | 18 |
| Hard-working | 12 |
| Hard-wood yielder | 17 |
| Hard-wood center | 16 |
| Hard-to-win game | 16 |
| Hard-to-take person | 19 |
| Hard-to-skim items | 18 |
| Hard-to-see specks | 18 |
| Hard-to-see shooter | 19 |
| Hard-to-see pest | 16 |
| Hard-to-see hiker | 17 |
| Hard-to-ride horse | 18 |
| Hard-to-resist yen | 18 |
| Hard-to-read letter | 19 |
| Hard-to-reach nest | 18 |
| Hard-to-please type | 19 |
| Hard-to-please star | 19 |
| Hard-to-please sort | 19 |
| Hard-to-please one | 18 |
| Hard-to-pick locks? | 19 |
| Hard-to-miss shot | 17 |
| Hard-to-miss | 12 |
| Hard-to-know person | 19 |
| Hard-to-hum, say | 16 |
| Hard-to-hold type | 17 |
| Hard-to-hit server | 18 |
| Hard-to-hit pitches | 19 |
| Hard-to-hit pitch | 17 |
| Hard-to-hit hurler | 18 |
| Hard-to-get help | 16 |
| Hard-to-get cigar | 17 |
| Hard-to-find song | 17 |
| Hard-to-find album | 18 |
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