There are 16 words that end with 'tifier'.
| notifier | ratifier | acetifier | 
| certifier | gratifier | mortifier | 
| mystifier | fortifier | justifier | 
| rectifier | testifier | beautifier | 
| identifier | sanctifier | quantifier | 
| prettifier | ||
Note: These 16 words that end with 'tifier' are found from the USA & Canada version of the tournament Scrabble word list.