| 問題 | もんだい | question (e.g. on a test); problem; problem (e.g. societal, political); question | n5 |
| 問う | とう | to ask; to inquire; to blame (someone) for; to accuse of | n2 |
| 質問 | しつもん | question; inquiry; enquiry | n5 |
| 学問 | がくもん | study; scholarship; learning; education | n2 |
| 疑問 | ぎもん | doubt; question; suspicion; dubiousness | n4 |
| 訪問 | ほうもん | call; visit | n3 |
| お問い合わせ | おといあわせ | enquiry; inquiry | |
| 問 | もん | counter for questions | n4 |
| 問い | とい | question; query | |
| 問答 | もんどう | questions and answers; dialogue | |
| 問屋 | とんや | wholesale store; wholesale dealer; wholesaler | |
| 問いかける | といかける | to ask a question; to begin to ask a question | n2 |
| 詰問 | きつもん | cross-examination; close questioning; demanding an explanation | |
| 訊問 | じんもん | questioning; interrogation; examination (of a witness) | |
| 反問 | はんもん | cross-examination; retort; asking in return | n1 |
| 拷問 | ごうもん | torture | |
| 顧問 | こもん | adviser; advisor; consultant; counselor | n1 |
| 問い返す | といかえす | to ask again; to repeat one's question; to ask back; to ask in return | |
| 問い合わせ | といあわせ | inquiry; query; enquiry | n3 |
| お問合せ | おといあわせ | enquiry; inquiry | |
| 慰問 | いもん | visit to console someone; giving comfort (to the sick, injured, etc.); expressing condolences (sympathy, concern, etc.); sympathy call | |
| 不問 | ふもん | not asking (about); letting go unquestioned; disregarding; ignoring | |
| 押問答 | おしもんどう | arguing back and forth; bandying words; verbal tug-of-war | |
| 問いただす | といただす | to inquire (about); to enquire; to ask; to interrogate | |
| 問いつめる | といつめる | to press a question; to cross-examine | n1 |
| 問い合せる | といあわせる | to enquire; to inquire; to seek information | n2 |
| 自問自答 | じもんじとう | answering one's own question; wondering to oneself; soliloquizing; soliloquising | n2 |
| 問い詰める | といつめる | to press a question; to cross-examine | n1 |
| 尋問 | じんもん | questioning; interrogation; examination (of a witness) | |
| 問わず語り | とわずがたり | unprompted remark; unsolicited statement | |
| 問い合わせる | といあわせる | to enquire; to inquire; to seek information | n2 |
| 難問 | なんもん | perplexity; difficult question; difficult problem | |
| 押し問答 | おしもんどう | arguing back and forth; bandying words; verbal tug-of-war | |
| 問題集 | もんだいしゅう | question collection; problem collection; problem set; workbook | |
| 難問題 | なんもんだい | difficult problem or question | |
| 問合せ | といあわせ | inquiry; query; enquiry | n3 |
| 問題点 | もんだいてん | the problem (at issue); the point at issue; problematic issue; problem | |
| 審問 | しんもん | trial; hearing; inquiry; examination | |
| 弔問 | ちょうもん | condolence call; visiting a bereaved family to offer condolences | |
| 愚問 | ぐもん | foolish question; stupid question; one's question | |
| 諮問 | しもん | consultation; question; enquiry; inquiry | |
| 労働問題 | ろうどうもんだい | labor problem; labour problem | |
| 問合せる | といあわせる | to enquire; to inquire; to seek information | n2 |
| 一問 | いちもん | one question | |
| 試問 | しもん | interview; examination; question | |
| 自問 | じもん | asking oneself | |
| 糺問 | きゅうもん | inquiry; enquiry | |
| 設問 | せつもん | posing a question; question | n1 |
| 下問 | かもん | enquiry; inquiry; consultation | |
| 問い質す | といただす | to inquire (about); to enquire; to ask; to interrogate | |
| 問い合わす | といあわす | to enquire; to inquire; to seek information | |
| 問返す | といかえす | to ask again; to repeat one's question; to ask back; to ask in return | |
| 訪問者 | ほうもんしゃ | visitor | |
| 問題視 | もんだいし | viewing as a problem; problematizing | |
| 借問 | しゃもん | inquiring; enquiring | |
| 喚問 | かんもん | summons | |
| 査問 | さもん | inquiry; enquiry; hearing | |
| 禅問答 | ぜんもんどう | Zen dialogue; Zen questions and answers | |
| 耳学問 | みみがくもん | pick-up knowledge; second-hand knowledge; hearsay | |
| 根問い | ねどい | inquisitiveness; nosiness | |
| 疑問符 | ぎもんふ | question mark | |
| お問い合せ | おといあわせ | enquiry; inquiry | |
| 問い掛ける | といかける | to ask a question; to begin to ask a question | n2 |
| 糾問 | きゅうもん | inquiry; enquiry | |
| 諸問題 | しょもんだい | many problems; various problems | |
| 奇問 | きもん | tricky question | |
| 疑問点 | ぎもんてん | point of uncertainty; unclarified issue; doubt | |
| 問罪 | もんざい | accusation; indictment | |
| 問責 | もんせき | blame; censure; reproof; reprimand | |
| 問い直す | といなおす | to question again; to repeat a question (esp. a problematic point, or to verify understanding); to repeat a query | |
| 逆質問 | ぎゃくしつもん | asking a question back (e.g. to an interviewer) | |
| 問診 | もんしん | interview (with a doctor); history taking | |
| よくある質問 | よくあるしつもん | frequently asked questions; FAQ | |
| 疑問視 | ぎもんし | doubting; questioning; being skeptical (of) | |
| 訪問着 | ほうもんぎ | semi-formal kimono for women; visiting (gala) dress | |
| 学問的 | がくもんてき | scholarly | |
| 検問 | けんもん | inspection; examination; check; checkpoint | |
| 問い合わせ先 | といあわせさき | contact information (for inquiries; e.g. corporate phone number); reference (e.g. personal reference) | |
| 問掛ける | といかける | to ask a question; to begin to ask a question | n2 |
| 問診票 | もんしんひょう | medical questionnaire; medical interview sheet; medical history form | |
| 問題作 | もんだいさく | controversial work (art, literature, etc.); work that caused public criticism; work of art dealing with contemporary questions; succès de scandale | |
| 問題化 | もんだいか | problematization; making an issue of (something); becoming a problem; becoming an issue | |
| 大問題 | だいもんだい | big problem; major issue; big controversy | |
| 検問所 | けんもんじょ | check station; checkpoint | |
| 質問者 | しつもんしゃ | questioner; interrogator; interpellator | |
| 問題児 | もんだいじ | problem child | |
| 問合せ先 | といあわせさき | contact information (for inquiries; e.g. corporate phone number); reference (e.g. personal reference) | |
| 発問 | はつもん | asking or putting a question; questioning | |
| 問題解決 | もんだいかいけつ | problem-solving | |
| 社会問題 | しゃかいもんだい | social problem | |
| 別問題 | べつもんだい | different thing; another question; different case | |
| 問題群 | もんだいぐん | group of problems; set of issues | |
| 学問所 | がくもんじょ | place of study; school | |
| 訪問先 | ほうもんさき | destination; place where one is visiting | |
| 過去問 | かこもん | past exam questions | |
| 問答無用 | もんどうむよう | there being no use in arguing (about it); not up for discussion | |
| お問い合わせフォーム | おといあわせフォーム | contact form | |
| 珍問 | ちんもん | strange question; offbeat question; odd question; funny question | |
| 鞠問 | きくもん | questioning (someone) about a crime; interrogation | |
| 問合す | といあわす | to enquire; to inquire; to seek information | |