How many usable words can you make using the specified combination?On this page of words with 'o' as the 1st letter that end with 'si', you have 2 combinations that are possible.
How many characters are in the longest word from this list?There are 12 letters in the word 'ostariophysi', that makes it the longest word we have.
In Scrabble, what is the most points you can get from words that start with 'o' and end with 'si'?With a small amount of words possible, you're forced to select 'osi' for a total score of 3 points.