There are 12 words that start with 'elder'.
| elder | elders | 
| elderly | eldercare | 
| elderlies | eldership | 
| elderberry | eldercares | 
| elderships | elderliness | 
| elderberries | elderlinesses | 
Note: These 12 words that start with 'elder' are found from the USA & Canada version of the tournament Scrabble word list.