| Subject | English | Japanese |
| avunc. | prt marks wh-question | だい spec1 (what, where, who) |
| avunc. | prt marks yes-no question | かえ |
| avunc. | prt marks yes-no question | けぇ Tajima dialect |
| avunc. | prt marks yes-no question | かい spec1 |
| gen. | n question mark | クエスチョンマーク |
| gen. | n question mark | クエスチョン・マーク |
| gen. | n question mark | はてなマーク |
| comp., MS | question mark | 疑問符 (The ? character, used as a punctuation mark or wildcard character) |
| gen. | n question mark | クエッション・マーク |
| gen. | n question mark | クエッションマーク |
| gen. | n question mark | クェスチョンマーク |
| comp., MS | question-mark pointer | 疑問符ポインター (Use the question-mark pointer to get context-sensitive Help on toolbar buttons, dialog box options, tools in the toolbox, and other parts of the window) |