| 100% | TREX | 4 | Massive dinosaur believed to have feathers |
| 45% | EPSOMSALTS | 10 | Crystals believed to have healing properties |
| 44% | SHIITAKE | 8 | Asian mushroom believed to have medicinal effects |
| 44% | REMBRANDT | 9 | Dutch artist believed to have stereo blindness |
| 44% | CHESS | 5 | Game believed to have evolved from chaturanga |
| 44% | INDIA | 5 | Where chess is believed to have originated |
| 43% | MESOPOTAMIA | 11 | Where writing is believed to have been invented |
| 43% | WRIGHT | 6 | Brothers believed to have flown the first plane |
| 43% | AVIARY | 6 | Enclosure likely to have feathers on its floor |
| 43% | PHOENICIA | 9 | Ancient civilization believed to have created the first alphabet |
| 43% | CELTIC | 6 | Irish symbol believed to have been introduced by pagans |
| 42% | 7BC | 3 | Year that Dionysius of Halicarnassus is believed to have died |
| 42% | ALOE | 4 | ___ vera, succulent that's believed to have originated in Africa |
| 41% | TAI | 3 | Mai ___, cocktail believed to have been invented at Trader Vic's |
| 40% | ASIA | 4 | Where dogs are believed to have been domesticated 10,000+ years ago |
| 40% | ALE | 3 | "Lines on ___" (Poe poem believed to have been written in a tavern) |
| 40% | TALISMAN | 8 | Object believed to have magical qualities that will protect the wearer from evil |
| 40% | MACRAME | 7 | Technique of decorative knotting believed to have originated with 13th-century Arab weavers |
| 40% | EUBOEA | 6 | Greek island believed to have been separated from the mainland by an earthquake |
| 39% | EGERIA | 6 | Legendary nymph believed to have advised king of Rome Numa Pompilius on religious matters |
| 38% | GINSENG | 7 | Plant of North America and eastern Asia whose root is believed to have stimulant properties |
| 38% | SEEN | 4 | "It has to be ___ to be believed" |
| 38% | SEEN | 4 | "It has to be ___ to be believed." |
| 38% | SEEN | 4 | “It has to be ___ to be believed!” |
| 38% | SEE | 3 | "You have to ___ it to believe it" |
| 37% | BENNETTS | 8 | __ feather star has 31 to 120 feathery arms |
| 37% | DORITOS | 7 | Brand of tortilla chips believed to have been invented in Mexico, but actually came from California |
| 37% | FORTUNE | 7 | ___ Cookies, a treat that is believed to have been invented in China, but actually came from California |
| 37% | KILROY | 6 | James J —, US shipyard inspector believed to have originated a popular expression used during World War II |
| 35% | IDDO | 4 | "You have to believe that ___ anything for you.": 2 wds. |