There are 12 words that start with 'platy'.
platy | platys |
platypi | platypus |
platyfish | platypuses |
platyfishes | platyrrhine |
platyrrhines | platyhelminth |
platyhelminths | platyhelminthic |
Note: These 12 words that start with 'platy' are found from the USA & Canada version of the tournament Scrabble word list.