There are 21 words that end with 'dian'.
| median | radian | aphidian |
| arcadian | ascidian | comedian |
| conidian | guardian | meridian |
| obsidian | ophidian | viridian |
| circadian | custodian | desmidian |
| euclidian | quotidian | steradian |
| tragedian | milliradian | proboscidian |
Note: These 21 words that end with 'dian' are found from the USA & Canada version of the tournament Scrabble word list.