| 知る | しる | to know; to be aware (of); to be conscious (of); to learn (of) | n5 |
| 知れる | しれる | to become known; to come to light; to be discovered; to be known | |
| 知識 | ちしき | knowledge; information | n3 |
| 承知 | しょうち | knowledge; awareness; acceptance; consent | n4 |
| 知らせる | しらせる | to notify; to advise; to inform | n4 |
| お知らせ | おしらせ | notice; notification | |
| 知 | ち | wisdom; jnana (higher knowledge) | n4 |
| 知人 | ちじん | friend; acquaintance | n2 |
| 知らす | しらす | to inform; to notify; to know; to reign | |
| 通知 | つうち | notice; notification; report; posting | n3 |
| 知らせ | しらせ | news; word; tidings; notice | n4 |
| 認知 | にんち | acknowledgement; acknowledgment; recognition; cognition | n1 |
| 未知 | みち | not yet known; unknown; strange | n1 |
| 知己 | ちき | acquaintance; close friend | |
| 見知らぬ | みしらぬ | strange; unfamiliar; unknown | n2 |
| 知恵 | ちえ | wisdom; wit; sagacity; sense | n2 |
| 認知症 | にんちしょう | dementia | |
| 知り合い | しりあい | acquaintance | n3 |
| 見知る | みしる | to recognise; to recognize; to know by sight; to become acquainted with | |
| 人知れず | ひとしれず | secretly; in secret; unseen; unobserved | |
| 知らん顔 | しらんかお | feigned ignorance; pretending not to know; pretending not to recognize (someone); ignoring | |
| 知的 | ちてき | intellectual | n2 |
| 御存知 | ごぞんじ | knowing; being aware (of); (an) acquaintance | n3 |
| 知能 | ちのう | intelligence; intellect; brains | n2 |
| 知らぬ顔 | しらぬかお | feigned ignorance; pretending not to know; pretending not to recognize (someone); ignoring | |
| 無知 | むち | ignorance; innocence; stupidity | n1 |
| 素知らぬ | そしらぬ | feigned; pretending (not to know) | |
| 報知 | ほうち | information; news; intelligence | n1 |
| 愛知 | あいち | Aichi (prefecture) | |
| 高知 | こうち | Kōchi (city, prefecture) | |
| 愛知県 | あいちけん | Aichi prefecture (Chūbu area) | |
| 愛知縣 | あいちけん | Aichi prefecture (Chūbu area) | |
| 知性 | ちせい | intelligence | |
| 知合い | しりあい | acquaintance | n3 |
| 知覚 | ちかく | perception; sensation; awareness | n1 |
| 周知 | しゅうち | common knowledge; being well-known; making (something) well-known | |
| 知合 | しりあい | acquaintance | n3 |
| 知り合う | しりあう | to get to know each other; to make acquaintance | n3 |
| 知れ渡る | しれわたる | to become widely known; to become well-known; to spread (of a rumor, reputation, etc.) | |
| 不知 | ふち | being unknown; not knowing; ignorance; foolishness | n1 |
| 思い知る | おもいしる | to come to know; to perceive; to realize; to realise | |
| 知事 | ちじ | prefectural governor | n1 |
| 告知 | こくち | notice; notification; announcement; disclosure | |
| ご存知 | ごぞんじ | knowing; being aware (of); (an) acquaintance | n3 |
| 顔見知り | かおみしり | acquaintance | |
| 高知県 | こうちけん | Kōchi Prefecture (Shikoku) | |
| 高知縣 | こうちけん | Kōchi Prefecture (Shikoku) | |
| 予知 | よち | foresight; foreknowledge; intimation; premonition | n1 |
| 見ず知らず | みずしらず | strange; unfamiliar; unknown; new | n1 |
| 旧知 | きゅうち | old friend; old acquaintance | |
| 不承知 | ふしょうち | dissent; disagreement; disapproval; objection | |
| 熟知 | じゅくち | being familiar with; having a thorough knowledge of; being well-informed about | n1 |
| 知行 | ちぎょう | carrying out one's duties; ruling a fief; ruling a territory given by one's liege; territory given by one's liege | |
| 知名 | ちめい | well-known | n1 |
| 思い知らせる | おもいしらせる | to make (someone) realize (e.g. their mistake); to bring (something) home (to someone); to teach (someone) a lesson | |
| 察知 | さっち | to sense; to infer; to gather; to pick up on | n2 |
| 知友 | ちゆう | (close) friend | |
| 知見 | ちけん | knowledge; information; opinion; view | |
| 知り抜く | しりぬく | to know thoroughly | n1 |
| 恥知らず | はじしらず | shameless; shameless person | |
| 感知 | かんち | perception; sensing; noticing | n1 |
| 見知り | みしり | recognition; acquaintance | |
| 下知 | げじ | command; order | |
| 理知 | りち | intellect; intelligence | |
| 知りあい | しりあい | acquaintance | n3 |
| 恩知らず | おんしらず | ungrateful | |
| 知力 | ちりょく | intellectual power; mental capacity; intellect; intelligence | |
| 思い知らす | おもいしらす | to make (someone) realize (e.g. their mistake); to bring (something) home (to someone); to teach (someone) a lesson | |
| 県知事 | けんちじ | prefectural governor | |
| 知悉 | ちしつ | having a complete knowledge (of); knowing everything (about); knowing thoroughly; being well acquainted (with) | n1 |
| 物知り | ものしり | well-informed person; walking dictionary; extensive knowledge | n1 |
| 命知らず | いのちしらず | recklessness; daredevilry; daredevil; reckless person | |
| 知名度 | ちめいど | degree of familiarity; popularity; name recognition; notoriety | n1 |
| 人見知り | ひとみしり | shyness; fear of strangers; stranger anxiety | n1 |
| 探知 | たんち | detection | n1 |
| 知遇 | ちぐう | favour; favor; warm friendship | |
| 知るべ | しるべ | acquaintance; friend | |
| 理知的 | りちてき | intellectual | |
| 既知 | きち | (already) known; established | n1 |
| 検知 | けんち | detection | n1 |
| 見知り越し | みしりごし | being well-known to | |
| 聞知 | ぶんち | learn of | |
| 人知 | じんち | human intellect; knowledge | |
| 未知数 | みちすう | (an) unknown; unknown number; variable; unknown quantity | |
| 知合う | しりあう | to get to know each other; to make acquaintance | n3 |
| 不知火 | しらぬい | phosphorescent light; mysterious lights on the sea; sea fire; shiranui (Citrus reticulata Shiranui) | |
| 推知 | すいち | a conjecture | |
| 知育 | ちいく | intellectual training | |
| 知らん振り | しらんぷり | pretending not to know; feigning ignorance | |
| 関知 | かんち | (one's) concern; having (something) to do with | n1 |
| 知者 | ちしゃ | sage; wise man; wise person; man of wisdom | |
| 存知 | ぞんじ | knowing; being aware (of) | |
| 知識欲 | ちしきよく | thirst for knowledge; intellectual thirst | |
| 推して知るべし | おしてしるべし | can be easily guessed | |
| 知ったかぶり | しったかぶり | pretending to know | n1 |
| 知財 | ちざい | intellectual property; IP | |
| 機知 | きち | wit; resources; tact | n1 |
| 認知度 | にんちど | degree of recognition; level of familiarity; visibility (product) | |
| 明知 | めいち | knowing clearly | |
| 窺知 | きち | inference; deduction; figuring out; understanding | n1 |