There are 16 words that start with 'conto'.
| conto | contos | 
| contort | contour | 
| contorts | contours | 
| contorted | contoured | 
| contorting | contortion | 
| contortive | contouring | 
| contortions | contortionist | 
| contortionists | contortionistic | 
Note: These 16 words that start with 'conto' are found from the USA & Canada version of the tournament Scrabble word list.