There are 15 words that start with 'helico'.
| helicon | helicoid |
| helicons | helicopt |
| helicoids | heliconia |
| helicopts | helicoidal |
| heliconias | helicopted |
| helicopter | helicopters |
| helicopting | helicoptered |
| helicoptering | |
Note: These 15 words that start with 'helico' are found from the USA & Canada version of the tournament Scrabble word list.