Longest list of positive words that start with K letter
| K.O. | Kilig | Kitten |
| Kaajhuab | Kind | Kittens |
| Kalon | Kind Words | Knight |
| Kapish | Kind-Heart | Knightly |
| Kazaam | Kind-Hearted | Knock Spots Off |
| Keen | Honorably | Knowable |
| Keenest | Honorary | Know-How |
| Keenly | Kindness | Knowing |
| Keenness | Kindred | Knowingly |
| Keep Up | Honorable | Knowledge |
| Keeper | Kinetic | Knowledgeable |
| Keep-Up | King Of The | Knowledgeably |
| Kempt | Kingly | Koibito Kibun |
| Key | Kingpin | Kookily |
| Kiddingly | King-Sized | Kooky |
| Kiddo | Kiss | Kosher |
| Kid-Friendly | Kissable | Kudos |