| Word | Reading | Meaning |
| 記憶 | きおく | memory, recollection, remembrance; storage |
| 憶測 | おくそく | guess, speculation, supposition |
| 憶病 | おくびょう | cowardice, timidity |
| 追憶 | ついおく | recollection, reminiscence |
| 憶える | おぼえる | to remember, to recollect, to memorize, to memorise; to feel |
| 憶う | おもう | to think, to consider, to believe; to think (of doing), to plan (to do); to judge, to assess, to regard; to imagine, to suppose, to dream; to expect, to look forward to; to feel, to desire, to want; to recall, to remember |
| 一次記憶 | いちじきおく | first memory |
| 憶説 | おくせつ | hypothesis, speculation, surmise |
| 憶念 | おくねん | something one always remembers |
| 仮想記憶 | かそうきおく | virtual memory, virtual storage |