| 横 | よこ | horizontal (as opposed to vertical); side-to-side (as opposed to front-to-back); width; breadth | n5 |
| 横浜 | よこはま | Yokohama (city) | |
| 横たわる | よこたわる | to lie down; to stretch out; to lie ahead (of danger, difficulty, etc.); to lie in wait | |
| 横顔 | よこがお | profile; face in profile; face seen from the side; (personal) profile | n1 |
| 横町 | よこちょう | bystreet; side street; back street; alley | |
| 縦横 | じゅうおう | length and width; length and breadth; lengthwise and crosswise; vertical and horizontal | |
| 横切る | よこぎる | to cross (e.g. road); to traverse | |
| 横手 | よこて | side; beside; feature of a sword blade | |
| 横たえる | よこたえる | to lay down; to wear (a sword, etc.) at one's side | |
| 横目 | よこめ | sidelong glance; short grain (paper); kanji "net" radical at top | n1 |
| 横行 | おうこう | being rampant; being widespread; being prevalent; walking sideways | |
| 横着 | おうちゃく | laziness; shirking; impudent; brazenly dishonest | n1 |
| 横丁 | よこちょう | bystreet; side street; back street; alley | |
| 横断 | おうだん | crossing (a road, river, etc.); cutting through (e.g. of a river through a town); cutting across; intersecting (e.g. a railway track) | n3 |
| 横腹 | よこばら | side; flank | |
| 横柄 | おうへい | arrogant; haughty; insolent | |
| 横暴 | おうぼう | violence; oppression; high-handedness; tyranny | n1 |
| 横道 | よこみち | byway; side street; cross street; wrong way | |
| 横溢 | おういつ | overflowing; inundation | |
| 横取り | よこどり | snatching; stealing; seizure; usurpation | n2 |
| 横ざま | よこざま | wickedness; sideways; unreasonable | |
| 横向き | よこむき | turning sideways; landscape orientation | |
| 横領 | おうりょう | embezzlement; misappropriation; usurpation | |
| 横倒し | よこだおし | falling over; toppling sideways | |
| 横綱 | よこづな | yokozuna (highest rank in sumo); grand champion; best in its field; crème de la crème | |
| 横木 | よこぎ | crosspiece; bar; rail | |
| 横合い | よこあい | side; flank; position where one is not directly involved (in a matter); outsider's position | |
| 横文字 | よこもじ | horizontal script (esp. of a European language); European writing; Roman letters; European language | |
| 縦横無尽 | じゅうおうむじん | freely; right and left; as one pleases | |
| 横に | よこに | horizontally; flat; across; crossways | |
| 専横 | せんおう | arbitrariness; despotism; high-handedness; tyranny | |
| 横臥 | おうが | lying on one's side | |
| 横笛 | よこぶえ | transverse flute (e.g. a fife) | |
| 横死 | おうし | violent (tragic or accidental) death; dog's death | |
| 横穴 | よこあな | cave; tunnel; tunnel tomb (Kofun period) | |
| 横坐り | よこずわり | sitting with one's legs out to one side | |
| 横槍 | よこやり | interruption; interference; butting in | |
| 横雲 | よこぐも | wall of clouds; bank of clouds | |
| 横抱き | よこだき | carrying (an infant, etc.) horizontally in one's arms; cradling; holding under one's arm | |
| 横っ腹 | よこっぱら | side; flank | |
| 横っ面 | よこっつら | side of the face; side | |
| 横っちょ | よこっちょ | sideways | |
| 横車 | よこぐるま | perverseness; obstinacy; something unreasonable (like pushing a cart from the side (instead of from behind)); side wheel throw (judo) | |
| 横長 | よこなが | oblong; landscape orientation | |
| 横付け | よこづけ | bringing alongside (ship, vehicle, etc.); coming alongside; mooring | |
| 横隊 | おうたい | rank; line | n1 |
| 横恋慕 | よこれんぼ | illicit love | |
| 横っ飛び | よこっとび | jumping sideways; flying sideways; running hurriedly (with one's body bent forward) | |
| 横様 | よこざま | wickedness; sideways; unreasonable | |
| 横縞 | よこじま | horizontal stripes; lateral stripes | |
| 横面 | よこつら | side of the face; side | |
| 真横 | まよこ | (right at the) side; just beside | |
| 横堀 | よこぼり | moat; horizontal trench | |
| 横線 | おうせん | horizontal line | |
| 横風 | おうふう | arrogant; haughty | |
| 横紙破り | よこがみやぶり | acting illogically | |
| 横筋 | よこすじ | transversal; lateral stripes | |
| 横物 | よこもの | something wider than it is high; artwork with a horizontal aspect (e.g. scroll) | |
| 横須賀線 | よこすかせん | Yokosuka Line | |
| 横隔膜 | おうかくまく | diaphragm | |
| 横断的 | おうだんてき | cross-sectional; lateral; transverse; transversal | |
| 横書き | よこがき | writing horizontally; horizontal writing | |
| 東急東横線 | とうきゅうとうよこせん | Tōkyū Tōyoko Line | |
| 横這い | よこばい | sidewise crawl (e.g. of a crab); crawling sideways; leafhopper (insect); jassid | n1 |
| 横波 | よこなみ | transverse wave; beam sea | |
| パシフィコ横浜 | パシフィコよこはま | Pacifico Yokohama (convention centre) | |
| 横転 | おうてん | toppling sideways; turning sideways; falling over sideways; barrel roll | |
| 横流し | よこながし | diversion into illegal channels; putting on the black market; selling through illegal channels | |
| 横列 | おうれつ | rank (e.g. of soldiers); horizontal line | |
| 横好き | よこずき | being very enthusiastic about something but not being good at it | |
| 横っとび | よこっとび | jumping sideways; flying sideways; running hurriedly (with one's body bent forward) | |
| 横ばい | よこばい | sidewise crawl (e.g. of a crab); crawling sideways; leafhopper (insect); jassid | n1 |
| 横議 | おうぎ | arguing persistently | |
| 横っ跳び | よこっとび | jumping sideways; flying sideways; running hurriedly (with one's body bent forward) | |
| 横糸 | よこいと | weft; woof (crosswise threads on a loom) | |
| 横軸 | よこじく | abscissa; horizontal axis; horizontal scroll | |
| 横根 | よこね | bubo (inflamed swelling in a gland) | |
| 横降り | よこぶり | driving rain | |
| 横浜線 | よこはません | Yokohama Line | |
| 横っつら | よこっつら | side of the face; side | |
| 横浜ゴム | よこはまゴム | Yokohama Rubber Company | |
| 横谷 | おうこく | transverse valley | |
| 横浜市立大学 | よこはましりつだいがく | Yokohama City University | |
| 東横線 | とうよこせん | Toyoko Line (between Tokyo and Yokohama) | |
| 横ずれ | よこずれ | horizontal friction; strike-slip | |
| 横座り | よこずわり | sitting with one's legs out to one side | |
| 横殴り | よこなぐり | striking on the side; side blow; slanting (rain, snow, etc.); driving | |
| 横辷り | よこすべり | sideslip; skid; sliding sideways; shifting to another post (at the same level) | |
| 横並び | よこならび | positioning side-by-side; parallel arrangement; going along with something; following the crowd | |
| 横断幕 | おうだんまく | horizontal banner | |
| 横すべり | よこすべり | sideslip; skid; sliding sideways; shifting to another post (at the same level) | |
| 横浜国立大学 | よこはまこくりつだいがく | Yokohama National University | |
| 横流れ | よこながれ | flowing into the black market | |
| 横幅 | よこはば | breadth; width | |
| 大横綱 | だいよこづな | grand champion considered to be truly great, usually with over 10 makuuchi tournament wins | |
| 横やり | よこやり | interruption; interference; butting in | |
| 横断面 | おうだんめん | (transverse) cross section | |
| 横方向 | よこほうこう | lateral direction; horizontal direction; transverse direction; landscape orientation | |
| 横滑り | よこすべり | sideslip; skid; sliding sideways; shifting to another post (at the same level) | |
| 横着者 | おうちゃくもの | shirker; goof-off; goldbricker | |