There are 14 words that start with 'cause'.
| cause | caused | causer |
| causes | causey | causers |
| causeys | causerie | causeway |
| causeless | causeries | causeways |
| causewayed | causewaying | |
Note: These 14 words that start with 'cause' are found from the USA & Canada version of the tournament Scrabble word list.