| 強い | つよい | strong; potent; competent; domineering | n5 |
| 勉強 | べんきょう | study; diligence; working hard; experience | n5 |
| 力強い | ちからづよい | powerful; strong; forceful; vigorous | n2 |
| 強いる | しいる | to force; to compel; to coerce; to press | n1 |
| 強化 | きょうか | strengthening; intensifying; reinforcement; enhancement | n2 |
| 強烈 | きょうれつ | strong; intense; severe | n2 |
| 強情 | ごうじょう | obstinate; stubborn; headstrong | |
| 強力 | きょうりょく | powerful; strong | n2 |
| 強調 | きょうちょう | emphasis; stress; highlighting; underlining | n2 |
| 強制 | きょうせい | compulsion; coercion; forcing (to do); enforcement | n1 |
| 強める | つよめる | to strengthen; to emphasize; to emphasise | n2 |
| 強盗 | ごうとう | robber; mugger; robbery; burglary | |
| 強いて | しいて | by force | n1 |
| 最強 | さいきょう | strongest | n2 |
| 根強い | ねづよい | firmly rooted; deep-seated | n2 |
| 強度 | きょうど | strength; intensity; strong (e.g. glasses); powerful (e.g. lens) | n1 |
| 強大 | きょうだい | powerful; strong; mighty | n1 |
| 強み | つよみ | forte; strong point | n2 |
| 頑強 | がんきょう | stubborn; dogged; persistent; tenacious | |
| 心強い | こころづよい | heartening; reassuring | n2 |
| 屈強 | くっきょう | robust; brawny; muscular; strong | |
| 強要 | きょうよう | coercion; extortion; compulsion; force | n1 |
| 強さ | つよさ | strength; power | |
| 強請 | きょうせい | blackmail; extortion; coercion | n1 |
| 強味 | つよみ | forte; strong point | n2 |
| 強硬 | きょうこう | firm; strong; unbending; unyielding | n1 |
| 強固 | きょうこ | firm; strong; solid; stable | n1 |
| 強引 | ごういん | overbearing; coercive; pushy; forcible | n2 |
| 強敵 | きょうてき | formidable enemy; strong enemy; tough enemy | |
| 強者 | きょうしゃ | strong person; the strong; the powerful | n1 |
| 強弱 | きょうじゃく | strength and weakness; (degree of) strength; stress (of a sound); loudness | n2 |
| 強がる | つよがる | to pretend to be tough; to put on a brave front; to whistle in the dark; to bluff | |
| 強き | つよき | confident; assured; self-assured; firm | |
| 強まる | つよまる | to get strong; to gain strength | n1 |
| 手強い | てごわい | difficult; tough; formidable; redoubtable | |
| 強請る | ねだる | to beg; to pester; to plead; to coax | n1 |
| 強行 | きょうこう | forcing (e.g. a vote); carrying out (forcibly); pushing ahead (with); enforcement | n1 |
| 強靭 | きょうじん | tough; strong; tenacious | |
| 強健 | きょうけん | robust (health); strong (constitution); sturdy | |
| 勉強会 | べんきょうかい | study group; study meeting | |
| 辛抱強い | しんぼうづよい | patient; persevering | |
| 強迫 | きょうはく | compulsion; coercion; duress; obsession | n1 |
| 強壮 | きょうそう | able-bodied; robust; sturdy; strong | n3 |
| 強か | したたか | tough; stubborn; determined; hard | n3 |
| 気強い | きづよい | reassuring; stouthearted | |
| 強奪 | ごうだつ | robbery; pillage; seizure; hijacking | |
| 強気 | つよき | confident; assured; self-assured; firm | |
| 強 | きょう | a little over; a little more than; strength; the strong | n1 |
| 強国 | きょうこく | strong nation; powerful country | |
| 強靱 | きょうじん | tough; strong; tenacious | |
| 強風 | きょうふう | strong wind; high wind; moderate gale | n2 |
| 補強 | ほきょう | reinforcement; strengthening | n1 |
| 強権 | きょうけん | strong power of the state; iron fist; heavy hand | |
| 無理強い | むりじい | forcing; compulsion; coercion; pushing (to do) | |
| 強慾 | ごうよく | greedy; avaricious; rapacious; insatiable | |
| 列強 | れっきょう | major powers of the world; great powers | |
| 強姦 | ごうかん | rape; sexual assault | |
| 粘り強い | ねばりづよい | tenacious; persevering; persistent; stubborn | n1 |
| 増強 | ぞうきょう | reinforcement; augmentation; strengthening; increase | |
| 強圧 | きょうあつ | pressure; duress; stress | |
| 強飯 | こわめし | glutinous rice with red beans (eaten on celebratory occasions); mochi rice with red beans | |
| 強豪 | きょうごう | overwhelming strength; extremely strong person; powerhouse; very strong player | n1 |
| 牽強付会 | けんきょうふかい | strained (argument, interpretation, etc.); farfetched (theory, view, etc.); forced; laboured | |
| ねばり強い | ねばりづよい | tenacious; persevering; persistent; stubborn | n1 |
| 強直 | きょうちょく | rigidity; uprightness | |
| 我慢強い | がまんづよい | (very) patient; persevering | |
| 富強 | ふきょう | wealth and power; rich and powerful | n1 |
| 強欲 | ごうよく | greedy; avaricious; rapacious; insatiable | |
| 強襲 | きょうしゅう | assault; violent attack | |
| 強弁 | きょうべん | insisting (unreasonably); obstinate insistence; far-fetched argument; arguing against all reason | |
| 強辯 | きょうべん | insisting (unreasonably); obstinate insistence; far-fetched argument; arguing against all reason | |
| 強か者 | したたかもの | strong-willed person; old hand; shrewd rascal; wily fox | |
| 強談 | ごうだん | tough negotiations | |
| 強弓 | ごうきゅう | bow with a heavy draw weight; someone who wields a heavy-draw-weight bow | |
| 強打 | きょうだ | heavy blow; thump; wallop; belt | |
| 強面 | こわもて | fierce look; frightening look; tough look; aggressive attitude | |
| 強ばる | こわばる | to stiffen; to become stiff; to harden | |
| 富国強兵 | ふこくきょうへい | enrich the country, strengthen the army | |
| 弱肉強食 | じゃくにくきょうしょく | the law of the jungle; the strong prey on the weak; the weak become the victim of the strong | n1 |
| 強兵 | きょうへい | powerful army; strengthening of the military | |
| 強暴 | きょうぼう | brutality | |
| 強制的 | きょうせいてき | forced; compulsory | |
| 強訴 | ごうそ | direct petition | |
| 強震 | きょうしん | severe earthquake | |
| 牽強 | けんきょう | distortion of facts | |
| 古強者 | ふるつわもの | feudal warrior; samurai; old soldier; veteran | |
| 強意見 | こわいけん | severe admonition; good talking-to; remonstrance; expostulation | |
| がまん強い | がまんづよい | (very) patient; persevering | |
| 強弩 | きょうど | strong bow; stiff bow | n1 |
| 強心剤 | きょうしんざい | cardiotonic agent; cardiac stimulant; heart stimulant; cardiotonic | |
| 強談判 | こわだんぱん | tough negotiations; forceful negotiations | |
| 強豪校 | きょうごうこう | powerhouse school (sports, arts, etc.); school with a highly competitive team | |
| 強制力 | きょうせいりょく | legal force; legally binding force; compelling power; compelling force | |
| 博覧強記 | はくらんきょうき | encyclopedic knowledge and strong memory | |
| 強火 | つよび | high flame (cooking); high heat; strong heat | n2 |
| 強腰 | つよごし | firm or tough stance | |
| 勉強中 | べんきょうちゅう | while studying; presently studying | |
| 強力粉 | きょうりきこ | bread flour (high gluten); strong flour; hard flour | |
| 強硬派 | きょうこうは | hard-liners; diehards; hawks | |
| 博聞強記 | はくぶんきょうき | being widely read and having a highly retentive memory | |