How many letters are in the longest word from this list?Try 'minchah', which has 7 letters.
How many viable words can you make with this combination of letters?On this page of words that start with 'm' and end with 'hah', you have 2 entries that are available overall.
What is the highest scoring word in Scrabble you can play for ?Your only feasible option is 'minchah' scoring 17 points.