Item.
A four letter word that starts with J and ends with M: jism.
A four letter word that starts with g and ends with n is gown :)
TintTaintTootThoughtTauntTautTraitTreat
Vita
Rota
adze
Arab
Czar is a 4 letter word. It begins with C and ends with R.
buzz
manx
witswenswarswagswayswedswigswetswinswoeswuss
Iota.