There are 12 14-letter words that start with 'ste'.
| stealthinesses | steamrollering | 
| steeplechasers | steeplechasing | 
| stepparentings | stereochemical | 
| stereographies | stereographing | 
| stereoisomeric | stereospecific | 
| sterilizations | sterlingnesses | 
Note: These 12 14-letter words that start with 'ste' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with ster, stea, stee, sten, step, stem, stel, stew, stet, steg, stei, stev, sted, stey.
4-letter words start with 'ste' (5)