How many 5-letter words starting with I are there?
Our word list (ENABLE, about 168,000 words) has 118 5-letter words starting with I. 28 of them are common in everyday English. Official game dictionaries may have a few more or fewer.
What is the highest-scoring word?
With classic tile values, IMMIX scores 16 points, followed by INFIX (15). With Words With Friends values the order can change slightly.