Unscrambling the letters in SHOW makes 14 valid words. Here is the full breakdown — longest words, top Scrabble scores, and every word grouped by length (highest-scoring first).
14total words
HOWSlongest (4 letters)
HOWStop score (10 pts)
1 / 3vowels / consonants
Word lengths: 4-letter (2), 3-letter (5), 2-letter (7).