There are 12 words that start with 'deam'.
| deaminase | deaminate | deaminize |
| deaminases | deaminated | deaminates |
| deaminized | deaminizes | deaminating |
| deamination | deaminizing | deaminations |
Note: These 12 words that start with 'deam' are found from the USA & Canada version of the tournament Scrabble word list.