There are 13 words that start with 'roto'.
roto | rotor | rotos |
rotors | rototill | rototills |
rotorcraft | rototilled | rototiller |
rotogravure | rototillers | rototilling |
rotogravures | ||
Note: These 13 words that start with 'roto' are found from the USA & Canada version of the tournament Scrabble word list.