| 100% | ANO | 3 | "That's __-brainer!" |
| 100% | USE | 3 | That's absurd! ___ your brain |
| 85% | ANO | 3 | "That's ___ brainer!": 2 wds. |
| 79% | IDLE | 4 | Type of brain that might be the devil's workshop |
| 76% | PINEALGLAND | 11 | Brain part that produces melatonin |
| 76% | ENGRAMS | 7 | Brain changes that make memories |
| 74% | IDEAS | 5 | Solutions that spring up in one's brain |
| 74% | ANO | 3 | "That's ___-brainer" |
| 74% | ANO | 3 | "That's ___-brainer!" |
| 74% | THALAMI | 7 | Brain parts that help regulate sleep |
| 72% | THALAMUS | 8 | Brain part that regulates sleep and consciousness |
| 72% | OCCIPITAL | 9 | Brain lobe that begins with a vowel |
| 71% | OPIATE | 6 | Drug that dulls the brain |
| 71% | THINK | 5 | "Use that brain of yours!" |
| 71% | MENTALWORKOUT | 13 | Activity that exercises your brain |
| 69% | PAMPERO | 7 | S American wind that blows across the plains |
| 69% | SLUSHIE | 7 | Drink that might cause brain freeze |
| 69% | ICEE | 4 | Brand that may cause brain freeze |
| 69% | ENIAC | 5 | "Giant Brain" that debuted in 1946 |
| 69% | ICEE | 4 | Drink that can cause brain freeze |
| 69% | MENINGES | 8 | Three membranes that protect the brain |
| 69% | SKULL | 5 | Bony structure that protects the brain |
| 69% | IDEA | 4 | Something that pops into your brain |
| 69% | ILLUSIONS | 9 | Optical tricks that confuse your brain |
| 69% | SLUSHIE | 7 | Drink that can cause brain freeze |
| 69% | ICEE | 4 | Beverage that might cause brain freeze |
| 69% | ICEE | 4 | Drink that may cause brain freeze |
| 69% | ICEE | 4 | Drink that might cause brain freeze |
| 69% | ICEE | 4 | Drink that may elicit brain freeze |
| 69% | ICEES | 5 | Drinks that may cause brain freeze |