| term | pronunciation | English |
|---|
| 疑問 | ぎもん | (a) question |
| 疑問視 | ぎもんし | interrogative |
| 嫌疑 | けんぎ | suspicion |
| 容疑 | ようぎ | suspect, charge |
| 容疑者 | ようぎしゃ | suspect (person) |
| 懐疑 | かいぎ | doubt, skepticism, scepticism, disbelief |
| 猶疑問が存 | なおぎもんがそん | A doubt still remains |
| 疑い | うたがい | doubt, question, uncertainty, skepticism, scepticism, suspicion, distrust |
| 疑う | うたがう | to doubt, to distrust, to be suspicious of, to suspect |
| 疑わしい | うたがわしい | doubtful, questionable, uncertain, disputable, suspicious |
| 疑似 | ぎじ | suspected, pseudo, sham, quasi, false, mock |
| 疑問符 | ぎもんふ | question mark |
| 疑念 | ぎねん | doubt, suspicion, misgivings, scruples |
| 疑惑 | ぎわく | doubt, misgivings, distrust, suspicion |
| 疑獄 | ぎごく | scandal, graft case |
| 被疑者 | ひぎしゃ | a suspect |
| 質疑 | しつぎ | question; interpellation |