There are 12 words that start with 'appri'.
apprise | apprize | apprised |
appriser | apprises | apprized |
apprizer | apprizes | apprisers |
apprising | apprizers | apprizing |
Note: These 12 words that start with 'appri' are found from the USA & Canada version of the tournament Scrabble word list.