F4U1M3A1R1O1L1E1S1
14 points
FUMAROLES is validvalid
FUMAROLE, a hole from which volcanic vapors issue
FUMAROLE, a hole which emits volcanic vapours, also FUMEROLE
FUMAROLE, a hole from which volcanic vapors issue
FUMAROLE, a hole which emits volcanic vapours, also FUMEROLE