There are 13 words that start with 'tensio'.
| tension | tensions |
| tensional | tensioned |
| tensioner | tensioners |
| tensioning | tensiometer |
| tensiometry | tensionless |
| tensiometers | tensiometric |
| tensiometries | |
Note: These 13 words that start with 'tensio' are found from the USA & Canada version of the tournament Scrabble word list.