It is a Rill.
rill
rill.
Rill
Some four letter words beginning with TO are:toadtoiltoldtolltooktooltoottorntosstorttourtown
four letter words beginning wih d are: Dart
weir
A four letter word beginning with C and ending with X is crux.
Four letter word beginning with Z and ending with T:Zest
Some four letter words beginning with 'slo' are: slot, slow, slop, slog, and sloe.
itch
a four letter word beginning with X is xebec (a small historical three masted sailing ship with square sails.
Some four letter words beginning with Y are:yardyarnyawnyearyellyelpyokeyolkyouryurt
AWOL
Agha