There are 10 words that start with 'discol'.
| discolor | discolors | 
| discolour | discolored | 
| discolours | discoloring | 
| discoloured | discolouring | 
| discoloration | discolorations | 
Note: These 10 words that start with 'discol' are found from the USA & Canada version of the tournament Scrabble word list.