SYNTAX is a playable word

syntax Scrabble® Dictionary

noun
pl. syntaxes
the way in which words are put together to form phrases and sentences
33 Playable Words can be made from "SYNTAX"
   2-Letter Words (8 found)
   3-Letter Words (15 found)
   4-Letter Words (6 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)