There are 16 11-letter words that start with 'ster'.
| stereograms | stereograph | stereophony | 
| stereoscope | stereoscopy | stereotaxic | 
| stereotyped | stereotyper | stereotypes | 
| stereotypic | sterilising | sterilities | 
| sterilizers | sterilizing | sternnesses | 
| sternutator | ||
Note: These 16 11-letter words that start with 'ster' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with stere, stern, steri, stero, sterl, stert, stera, sterc.
5-letter words start with 'ster' (2)