TELETEXT is a playable word

teletext Scrabble® Dictionary

noun
pl. teletexts
a communications system in which printed matter is telecast to subscribers
17 Playable Words can be made from "TELETEXT"
   2-Letter Words (4 found)
   3-Letter Words (7 found)
   4-Letter Words (4 found)
   5-Letter Words (1 found)
   8-Letter Words (1 found)