There are 10 13-letter words that end with 'ncy'.
| gyrofrequency | multicurrency |
| inconsistency | inconveniency |
| insufficiency | intermittency |
| postemergency | recalcitrancy |
| preponderancy | transcendency |
Note: These 10 13-letter words that end with 'ncy' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ency, ancy, incy, uncy, gncy, oncy.
5-letter words end with 'ncy' (4)