TAXIING is a playable word

taxi Scrabble® Dictionary

verb
taxied, taxiing or taxying, taxis or taxies
to travel in a taxicab
46 Playable Words can be made from "TAXIING"
   2-Letter Words (12 found)
   3-Letter Words (16 found)
   4-Letter Words (13 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)