There are 17 words that end with 'erant'.
| iterant | operant | 
| alterant | tolerant | 
| cauterant | exuberant | 
| itinerant | accelerant | 
| adulterant | intolerant | 
| vociferant | refrigerant | 
| protuberant | reverberant | 
| preponderant | equiponderant | 
| overexuberant | |
Note: These 17 words that end with 'erant' are found from the USA & Canada version of the tournament Scrabble word list.