There are 12 words that end with 'pating'.
| pupating | palpating | 
| apocopating | dissipating | 
| exculpating | extirpating | 
| inculpating | syncopating | 
| anticipating | constipating | 
| emancipating | participating | 
Note: These 12 words that end with 'pating' are found from the USA & Canada version of the tournament Scrabble word list.