| 100% | OHNO | 4 | "I can't believe it!": 2 wds. |
| 82% | NOWAY | 5 | "I don't believe it!": 2 wds. |
| 80% | OHNO | 4 | "I can't believe this is happening to me!": 2 wds. |
| 74% | OHNO | 4 | "I can't believe this is happening!": 2 wds. |
| 74% | OLEO | 4 | I Can't Believe It's Not Butter! product |
| 74% | NOTIF | 5 | "___ I can help it!": 2 wds. |
| 73% | SPREAD | 6 | I Can't Believe It's Not Butter, e.g. |
| 73% | LIEDTO | 6 | "I can't believe she ___ my face." (was dishonest): 2 wds. |
| 73% | LIEDTO | 6 | "I can't believe she ___ my face" (was dishonest): 2 wds. |
| 69% | NOWAY | 5 | "There's ___ that really happened!" ("Don't believe it!"): 2 wds. |
| 69% | IWON | 4 | "I still can't believe ___ the lottery!: 2 wds. |
| 69% | YOUWATCH | 8 | "I can SO do it!": 2 wds. |
| 68% | FABIO | 5 | Onetime spokesmodel for I Can't Believe It's Not Butter |
| 67% | OHNO | 4 | "I can't believe this is happening!" (2 wds.) |
| 67% | OHMAN | 5 | "I can't believe that just happened!" (2 wds.) |
| 67% | MAN | 3 | "I can't believe it!" |
| 67% | SHEESH | 6 | "I can't believe it!" |
| 67% | OHNO | 4 | "I can't believe it!" |
| 67% | UNREAL | 6 | "I can't believe it!" |
| 66% | IMAT | 4 | "___ a party, I can't hear you...": 2 wds. |
| 65% | ALOT | 4 | "There's not ___ I can do about it": 2 wds. |
| 65% | ICAN | 4 | "___ hardly believe it!": 2 wds. |
| 65% | FABIO | 5 | Former spokes-hunk for I Can't Believe It's Not Butter |
| 64% | OMG | 3 | "I can't believe it!," in chat rooms |
| 64% | OLEO | 4 | "I Can't Believe It's Not Butter" |
| 64% | SMH | 3 | "I can't believe it," in a text |
| 64% | OMG | 3 | "I can't believe it!" in text-speak |
| 64% | ORNOT | 5 | "Ripley's Believe it ___": 2 wds. |
| 64% | ORNOT | 5 | "Ripley's Believe it ___!": 2 wds. |
| 63% | OMG | 3 | "I can't believe it!," in a text message |