Crossword solverSynonyms for pentothal6 crossword answers for “pentothal” (9), sorted by letter count.How many letters?All6911021111612319 letters 1truth drug(5,4)10 letters 2truth serum(5,5)thiopental11 letters 1barbiturate16 letters 1thiopental sodium(10,6)23 letters 1thiopentobarbital sodium(17,6)