| Term | Definition |
| konjō (根性) | nature, spirit, grit |
| konjō no warui (根性の悪い) | ill-natured |
| konjō (紺青) | deep blue, Prussian blue |
| konkai (今回) | recently, this time |
| konketsuji (混血児) | a child of mixed parentage |
| konki (根気) | perseverance, patience, endurance, energy |
| konkiyoi (根気よい) | persevering, patient |
| konkiyoku (根気よく) | perseveringly, patiently |
| konki ga tsukiru (根気が尽きる) | to be at the end of one's patience |
| konki (婚期) | marriageable age |
| konki o issuru (婚期を逸する) | to become an old maid |
| konki (今期) | this term, the present session, the current session [of the Diet] |
| konkon to nemuru (昏々と眠る) | to sleep like a log/top, to be in a state of coma |
| konkon to wakideru (滾々と湧き出る) | to gush out |
| konkonto (懇々と) | earnestly, kindly |
| konkō (混淆) | a mixture |
| gyokusekikonkō (玉石混淆) | a mixture of wheat and chaff |
| konkurīto (コンクリート) | concrete |
| konkurītomikisāsha (コンクリート・ミキサー車) | a cement mixer |
| tekkinkonkurīto (鉄筋コンクリート) | ferroconcrete, reinforced concrete |
| konkūru (コンクール) | a contest, a competition |
| konkyo (根拠) | a ground, an authority |
| konkyo no aru (根拠のある) | well-grounded |
| konkyo no nai (根拠のない) | groundless |
| konkyochi (根拠地) | a base |
| konkyū (困窮) | poverty, distress |
| konkyūsha (困窮者) | the poor, the needy |
| konmei (昏迷) | confusion |
| konmorito (こんもりと) | thickly, luxuriantly |
| konna (こんな) | such, (like) this, this kind of, this sort of |
| konnani (こんなに) | thus, in this way |
| konna wake de (こんなわけで) | such being the case |
| konnan (困難) | a difficulty, a trouble, suffering, hardship(s) |
| konnanna (困難な) | difficult, hard, troublesome |
| konnichi (今日) | today, these days, nowadays, now, at present |
| konnichiwa (今日は) | Hello! |
| konnyaku (蒟蒻) | paste made from the arum root |
| konnyū suru (混入する) | to mix, to mingle |
| kono (この) | this, these |
| kono ni sannichi (この二三日) | for the last two or three days,for the past two or three days |
| konoaida (この間) | the other day, a few days ago, recently, lately |
| konobun de wa (この分では) | at this rate |
| konobun de yukeba (この分で行けば) | if things go on like this |
| Konoe (近衛) | the (Imperial) Guards |
| konogoro (この頃) | now, at present, these days, nowadays, recently, lately |
| konoha (木の葉) | a leaf (of a tree) |
| konohen ni (この辺に) | near here, about here, around here, in this neighbourhood |
| konohoka (この外) | besides this, in addition to these, besides, moreover |
| konokata (この方) | since; this gentleman/lady |
| konokurai (この位) | about this size, about so much/many/large/long |
| konoma (木の間) | among the trees |
| konomae (この前) | before (this), the last time |
| konomae no (この前の) | last [Sunday], previous |
| konomama (この儘) | as it is, as they are |
| konomashikaranu (好ましからぬ) | undesirable, disagreeable, unpleasant |
| konomi (好み) | liking, taste, choice |
| konomi no (好みの) | favourite ~, pet ~ |
| konomi (木の実) | a fruit, a nut, a berry |
| konomu (好む) | to like, to be fond, to have a liking, to have a taste, to prefer [A to B] |
| konomu to konomazaru ni kakawarazu (好むと好まざるにかかわらず) | no matter whether a person likes it or not |
| kononde (好んで) | of one's free will, of one's own accord |
| konosai (この際) | under the present circumstances, at this juncture |
| konosaki (この先) | hereafter, in future; beyond this, farther on |
| konotoki (この時) | at this time, at this moment, now |
| konotōri (この通り) | like this, (in) this way, as you see |
| konotsugi (この次) | next time, another time |
| konotsugi no (この次の) | next [Sunday] |
| konoue (この上) | more, further, besides, in addition (to this) |
| konoue mo nai (この上もない) | the best, ideal |
| konouenaku (この上なく) | most of all, best of all, more/better than anything else |
| konoue wa (この上は) | now |
| konoyo (この世) | this world, this life |
| konoyo no (この世の) | worldly, earthly |
| konoyo no jigoku (この世の地獄) | a hell on earth |
| konpa (コンパ) | a party |
| konpe (コンペ) | a golf tournament; a competition |
| konpeki (紺碧) | deep blue, dark blue, azure, emerald |
| konpon (根本) | the foundation, the origin, the essence |
| konponteki (根本的) | fundamental, thorough |
| konpontekini (根本的に) | fundamentally, thoroughly |
| konponmondai (根本問題) | a fundamental problem |
| konpongenri (根本原理) | a fundamental principle |
| konpō (梱包) | packing |
| konpō suru (梱包する) | to pack up |