SLIPFORMING is a playable word

slipform Scrabble® Dictionary

verb
slipformed, slipforming, slipforms
to construct with the use of a mold in which concrete is placed to set
448 Playable Words can be made from "SLIPFORMING"
   2-Letter Words (21 found)
   9-Letter Words (4 found)
   10-Letter Words (1 found)
   11-Letter Words (1 found)