How many words are there using the combination requested?From this page of words with 'nas' at the start and 'r' at the end, there are 4 entries which can be selected.
How many characters are in the largest word on this list?The longest word one can construct from this list is 'nasioalveolar', which contains 13 characters.
In Scrabble, what is the best score possible from this list of words with 'nas' at the start and 'r' at the end?With only a few words to pick from, the only word you can go for is 'nastier' scoring 7 points.