Four letter words that end in 'isk' are disk and risk.
Suet.
Are is the three letter word. Add an A to the end and you have Area.
A four letter word that ends in 'irm' is firm.
Punt
kill
none recorded.
ableacheacmeacreaidealoeaxle
leaf, loaf
prow
Fire, Hire and Tire are four letter words that end with ire.
Four letter words that end in 'sa' are:UrsavisaMesa