How many words could one put together using the specified combination?From this page of words containing 'f' and ending with 'fos', you have 3 effective combinations which can be selected.
How many letters are in the biggest word on this page?'Boffos' contains 6 letters, and is the largest word that's possible to make from this combination.
What's the highest scoring word you can play in Scrabble ?With sadly very little words available, you're only possible option is 'boffos' for a score of 14 points.