| 数値 | numeric value |
| 数字 | numeric character |
| 数式 | numerical expression |
| 体調不良 | bad health |
| 対応 | correspond to/support |
| 対策 | countermeasure |
| 退社 | leave office |
| 対象 | target, object of something |
| ために | for the purpose of, in order to, for the sake of |
| 単独式 | single expression |
| 単位 | unit |
| 単純に | simply |
| 単項演算し | unary operator |
| 担当 | In Charge |
| 確か | reliable, certain |
| 達成 | accomplish |
| 尋ねる | ask |
| 定義 | definition (programming) |
| 訂正 | correction/revision |
| 定数 | Constant |
| 適当 | suitable(ADJ), suitably(ADV) |
| 適用 | to apply |
| 展開 | expand (opposite of compress) |
| 転勤する | transfer (I.e office, group) |
| 特に | particularly, specially |
| 特殊 | unique, special(ADJ), specially(ADV) |
| 特定 | specific, particular |
| 取り消す(取り消し) | cancel, revoke |
| 取込む（取り込み） | fetch |
| 取り戻す | recover, regain ( as in recover from late) |
| 登録 | register |
| 都合 | convinient |
| 追加 | add |
| 伝える | to convey |
| 通知 | notification ( as in notify when something occurs) |
| 打合せ | business meeting |
| 伺う | to ask |
| 割当て | quota, allocation |
| 割り込む（割込み） | interrupt(CPU) |
| 呼び出す（呼び出し） | call (as in function call) |
| 余分 | extra(ADJ), excess(ADJ), surplus(N) |
| 予期せぬエラー | unexpected error |
| 翌日 | next day |
| 読み込む(読込み） | read |
| 予測 | expectation |
| 予想 | forecast, prediction (as in weather) |
| 要求 | demand, requirement |
| 要素 | element (as in array element) |
| 有効 | valid (as in valid character) |
| 優先 | priority/preference |