Runaround rhymes with:
background, battleground, campground, fairground, foreground, merry-go-round, playground, underground, background, battleground, campground, earthbound, eastbound, electrosound, fairground, foreground, foxhound, greyhound, hidebound, homebound, horehound, merry-go-round, outbound, playground, snowbound, southbound, spellbound, turnaround, underground, westbound