There are 18 9-letter words that start with 'hype'.
| hyperacid | hyperarid | hyperbola | 
| hyperbole | hypercube | hyperemia | 
| hyperemic | hyperfine | hypergamy | 
| hypergols | hyperlink | hyperopes | 
| hyperopia | hyperopic | hyperpnea | 
| hyperpure | hypertext | hypethral | 
Note: These 18 9-letter words that start with 'hype' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with hyper, hyped, hypes, hypet.
5-letter words start with 'hype' (3)