There are 17 words that start with 'calcu'.
| calculi | calculus |
| calculate | calculous |
| calculable | calculated |
| calculates | calculator |
| calculuses | calculating |
| calculation | calculators |
| calculatedly | calculations |
| calculatingly | calculational |
| calculatedness | |
Note: These 17 words that start with 'calcu' are found from the USA & Canada version of the tournament Scrabble word list.