How many usable words are possible to make from this list?You could derive 4 words using the specified letter combination.
How many letters are in the longest word from this page?The longest word one could construct from words that start with 'zir' and end with 's' is 'zirconiferous', and it has 13 letters.
In Scrabble, what is the highest possible score possible using words beginning with 'zir' and ending with 's'?With sadly 4 results available, you are obligated to use 'zircons' for a total score of 18 points.