There are 17 words that start with 'robo'.
| robot | robots |
| robotic | robotry |
| roborant | robotics |
| robotism | robotize |
| roborants | robotisms |
| robotized | robotizes |
| robotries | robotizing |
| robotically | robotization |
| robotizations | |
Note: These 17 words that start with 'robo' are found from the USA & Canada version of the tournament Scrabble word list.