There are 11 words that start with 'apat'.
| apathy | apatite |
| apatetic | apathies |
| apatites | apathetic |
| apatosaur | apatosaurs |
| apatosaurus | apathetically |
| apatosauruses | |
Note: These 11 words that start with 'apat' are found from the USA & Canada version of the tournament Scrabble word list.