There are 21 words that end with 'nian'.
| banian | eonian | aeonian |
| actinian | demonian | devonian |
| hominian | iguanian | melanian |
| favonian | sirenian | amazonian |
| chelonian | chthonian | daltonian |
| draconian | gorgonian | plutonian |
| vulcanian | calypsonian | parkinsonian |
Note: These 21 words that end with 'nian' are found from the USA & Canada version of the tournament Scrabble word list.