TRANQUILLIZE is validvalid

to tranquilize [v TRANQUILLIZED, TRANQUILLIZES, TRANQUILLIZING] : TRANQUILLIZER [n]

176,198 of 196,601 in NWL2023·also valid in CSW24

to make tranquil, also TRANQUILISE, TRANQUILIZE, TRANQUILLISE [v TRANQUILLIZED, TRANQUILLIZING, TRANQUILLIZES]