There are 8 words that start with 'monoco'.
| monocot | monocots | 
| monocoque | monocotyl | 
| monocoques | monocotyls | 
| monocotyledon | monocotyledons | 
Note: These 8 words that start with 'monoco' are found from the USA & Canada version of the tournament Scrabble word list.