There are 11 words that start with 'apper'.
appertain | apperceive |
appertains | apperceived |
apperceives | appertained |
apperceiving | apperception |
apperceptive | appertaining |
apperceptions | |
Note: These 11 words that start with 'apper' are found from the USA & Canada version of the tournament Scrabble word list.