There are 15 words that end with 'ndest'.
fondest | kindest | blandest |
blindest | blondest | damndest |
darndest | durndest | grandest |
roundest | soundest | unkindest |
unsoundest | goddamndest | profoundest |
Note: These 15 words that end with 'ndest' are found from the USA & Canada version of the tournament Scrabble word list.