There are 19 words that end with 'ulant'.
| ululant | ambulant | 
| insulant | petulant | 
| simulant | osculant | 
| undulant | anovulant | 
| coagulant | inoculant | 
| postulant | pustulant | 
| stimulant | tremulant | 
| flocculant | matriculant | 
| gesticulant | somnambulant | 
| anticoagulant | |
Note: These 19 words that end with 'ulant' are found from the USA & Canada version of the tournament Scrabble word list.