There are 10 13-letter words that end with 'eter'.
| accelerometer | hemacytometer | 
| hemocytometer | potentiometer | 
| saccharimeter | saccharometer | 
| pyrheliometer | reflectometer | 
| refractometer | submillimeter | 
Note: These 10 13-letter words that end with 'eter' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with meter, eeter, keter, reter, leter, ieter, peter, geter, heter, veter, deter, feter, seter, ueter.
5-letter words end with 'eter' (3)