There are 6 12-letter words that start with 'kn'.
| kneecappings | knightliness | knottinesses |
| knuckleballs | knucklebones | knuckleheads |
Note: These 6 12-letter words that start with 'kn' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with kno, kne, kna, kni, knu.
4-letter words start with 'kn' (10)