There are 18 12-letter words that end with 'meter'.
Note: These 18 12-letter words that end with 'meter' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ometer, imeter, ameter, tmeter, emeter, mmeter, wmeter, rmeter, umeter, ymeter.
7-letter words end with 'meter' (2)