| 61. | ke | Hair; fur; wool. This more general word refers to all sorts of hair, both human and animal. When used to describe a material, it usually means sheep's wool. |
| 62. | kechappu | |
| 63. | keitai | Cel phone. Short for "keitai denwa". |
| 64. | ken | Sword; saber. The general word for swords and sword-type weapons. |
| 65. | kibun | Mood; feeling. Kibun is generally used in reference to how a person is feeling, either in mood or general sense. |
| 66. | kiiroi | |
| 67. | kirai | |
| 68. | koibito | Lover; boyfriend/girlfriend. |
| 69. | kono | This. Used to identify objects near the speaker. |
| 70. | kore | This [object]. Used to refer to objects that are near the person speaking. |
| 71. | korosu | |
| 72. | kurai | Dark; gloomy. Mostly used literally to describe lack of light, but can also be used figuratively to describe a mood. |
| 73. | kuroi | |
| 74. | kuroko | Stagehand; pupeteer. Kuroko, meaning "black child," are stagehands in Japanese theater productions (particularly Kabuki and Bunraku puppet shows). Kuroko wear a black uniform that covers their entire body and face (the hood looks something like a bag with a net hole for the eyes), and are "officially" invisible; they manipulate puppets or objects on stage, and preform set and costume changes while the curtain is still up, but for the purpose of the play they are assumed to be invisible to the audience. They appear occasionally in anime in ninja-like roles, and in fact their garb may have been what the modern image of the ninja outfit came from. |
| 75. | kusa | |
| 76. | kuso | Shit. Crude word for feces, used similarly to the English word as both a literal noun and an explitive. |
| 77. | kyu | |
| 78. | kyuuketsuki | |
| 79. | mamono | Monster; ghost; specter; spirit; demon. Mamono is broader than any of the possible English translations, covering both physical and spectral supernatural creatures. |
| 80. | man | |