| Text | Length |
| Hard to get clean | 17 |
| Hard to get hold of | 19 |
| Hard to get through | 19 |
| Hard to get to | 14 |
| Hard to get to know | 19 |
| Hard to grasp | 13 |
| Hard to handle | 14 |
| Hard to hang on to | 18 |
| Hard to hear | 12 |
| Hard to hold | 12 |
| Hard to hold down | 17 |
| Hard to hold on to | 18 |
| Hard to hum, maybe | 18 |
| Hard to ignore | 14 |
| Hard to interpret | 17 |
| Hard to let go of | 17 |
| Hard to lift | 12 |
| Hard to look at | 15 |
| Hard to make out | 16 |
| Hard to miss | 12 |
| Hard to move | 12 |
| Hard to nail down | 17 |
| Hard to open | 12 |
| Hard to outwit | 14 |
| Hard to penetrate | 17 |
| Hard to pick up | 15 |
| Hard to pin down | 16 |
| Hard to please | 14 |
| Hard to please? | 15 |
| Hard to predict | 15 |
| Hard to rattle | 14 |
| Hard to reach | 13 |
| Hard to read | 12 |
| Hard to read, maybe | 19 |
| Hard to recall | 14 |
| Hard to recollect | 17 |
| Hard to remember | 16 |
| Hard to research | 16 |
| Hard to resist | 14 |
| Hard to resolve | 15 |
| Hard to restrain | 16 |
| Hard to satisfy | 15 |
| Hard to see through | 19 |
| Hard to settle | 14 |
| Hard to sort out | 16 |
| Hard to spot | 12 |
| Hard to startle | 15 |
| Hard to stir | 12 |
| Hard to swallow | 15 |
| Hard to take? | 13 |
| Hard to tell apart | 18 |
| Hard to tote | 12 |
| Hard to understand | 18 |
| Hard to unravel | 15 |
| Hard to watch | 13 |
| Hard tree growth | 16 |
| Hard up for cash | 16 |
| Hard varnish | 12 |
| Hard water fall? | 16 |
| Hard way to quit | 16 |
| Hard white china | 16 |
| Hard white pottery | 18 |
| Hard wood of P. I. | 18 |
| Hard wood, in Spain | 19 |
| Hard work, slangily | 19 |
| Hard worker? | 12 |
| Hard workers | 12 |
| Hard workers? | 13 |
| Hard yellow cheese | 18 |
| Hard ___ (rare) | 15 |
| Hard ___ rock | 13 |
| Hard, as a mattress | 19 |
| Hard, as bread | 14 |
| Hard, black varnish | 19 |
| Hard, crisp breads | 18 |
| Hard, firm or cold | 18 |
| Hard, glossy finish | 19 |
| Hard, green cheeses | 19 |
| Hard, in a way | 14 |
| Hard, in Havana | 15 |
| Hard, low base hit | 18 |
| Hard, lustrous coal | 19 |
| Hard, old-style | 15 |
| Hard, round candy | 17 |
| Hard, sweet treat | 17 |
| Hard, yellow candy | 18 |
| Hard, yellow cheese | 19 |
| Hard-and-fast | 13 |
| Hard-and-fast rules | 19 |
| Hard-boiled genre | 17 |
| Hard-candy flavor | 17 |
| Hard-copy error | 15 |
| Hard-core, filmwise | 19 |
| Hard-covered | 12 |
| Hard-disk part | 14 |
| Hard-drive prefix | 17 |
| Hard-drive unit | 15 |
| Hard-drive units | 16 |
| Hard-earned degrees | 19 |
| Hard-earned degs. | 17 |
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