There are 13 words that start with 'monoph'.
| monophagy | monophony |
| monophyly | monophonic |
| monophagies | monophagous |
| monophonies | monophthong |
| monophylies | monophthongs |
| monophyletic | monophthongal |
| monophonically | |
Note: These 13 words that start with 'monoph' are found from the USA & Canada version of the tournament Scrabble word list.