Unscrambling SYNTAX gives 30 words. SYNTAX is the longest, and SYNTAX scores the most at 16 points.
No other single word uses all 6 letters of SYNTAX. SYNTAX has 6 letters: 1 vowel and 5 consonants, worth 16 points before any board bonuses.
6-letter words 1
5-letter words 3
antsy8nasty8tansy8
4-letter words 5
ants4nays7stay7tans4xyst14
3-letter words 12
ant3any6ays6nay6sat3sax10say6sty6syn6tan3tas3tax10
2-letter words 9
an2as2at2ax9ay5na2ta2ts2ya5
Words are from our open word list and include some game-only words. Rude words are left out of this page; the unscrambler shows every valid word, lets you add blank tiles and filter by length.