There are 18 words that end with 'ndant'.
| fondant | pendant | 
| abundant | inundant | 
| appendant | ascendant | 
| attendant | defendant | 
| demandant | dependant | 
| intendant | redundant | 
| descendant | commandant | 
| codefendant | nonredundant | 
| overabundant | superabundant | 
Note: These 18 words that end with 'ndant' are found from the USA & Canada version of the tournament Scrabble word list.