Rhymes with 'overrule'
Scots Language Rhymes
bool
            (Scots for ball used to play bowls or v. to bowl)
dool
            (Scots for goal or den in a game; or grief/distress)
fool
        (Scots for adj. foul or n. fowl)
Scottish-English Rhymes
bull
                cool
                cruel
                drool
                dual
                duel
                fool
                fuel
                full
                ghoul
                jewel
                joule
                mule
                pool
                rule
                school
                spool
                stool
                tool
                yule
                cagoule
                misrule
                retool
                Istanbul
                Liverpool
                minuscule
                molecule
                overrule
                pitiful
                ridicule
                vestibule