There are 14 9-letter words that start with 'quin'.
| quinaries | quinellas | quinidine |
| quinielas | quinoidal | quinoline |
| quinolins | quinolone | quinonoid |
| quintains | quintette | quintiles |
| quintuple | quintuply | |
Note: These 14 9-letter words that start with 'quin' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with quint, quino, quini, quinc, quinq, quina, quine, quins, quind, quinn.
5-letter words start with 'quin' (2)