There are 7 13-letter words that end with 'ster'.
| concertmaster | maladminister |
| kapellmeister | quartermaster |
| stationmaster | superminister |
| weathercaster | |
Note: These 7 13-letter words that end with 'ster' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with aster, ister, ester, uster, oster, pster, mster, nster, yster, lster, bster, gster, dster, kster, rster, tster, wster.
5-letter words end with 'ster' (2)