There are 12 words that start with 'congru'.
| congruent | congruity |
| congruous | congruence |
| congruency | congruences |
| congruently | congruities |
| congruously | congruencies |
| congruousness | congruousnesses |
Note: These 12 words that start with 'congru' are found from the USA & Canada version of the tournament Scrabble word list.