There are 12 14-letter words that start with 'qua'.
| quadrilaterals | quadrillionths | 
| quadrumvirates | quadruplicated | 
| quadruplicates | qualifications | 
| qualmishnesses | quantification | 
| quantitatively | quarterbacking | 
| quartermasters | quasiparticles | 
Note: These 12 14-letter words that start with 'qua' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with quad, quar, quan, qual, quas, quat, quai, quac, quak, quag, quav, quay, quaf, quae, quah, quaa, quam.
4-letter words start with 'qua' (4)