CLAMBERING is a playable word

clamber Scrabble® Dictionary

verb
clambered, clambering, clambers
to climb awkwardly
650 Playable Words can be made from "CLAMBERING"
   2-Letter Words (25 found)
   3-Letter Words (100 found)
   9-Letter Words (3 found)
   10-Letter Words (1 found)