swirl [swirled, swirling, swirls]◼◼◼(to twist or whirl) verb [UK: swɜːl] [US: ˈswɝːl]A thousand incoherent ideas swirled around my mind. = Mille idées incohérentes tourbillonnaient dans mon cerveau.
whirl [whirled, whirling, whirls]◼◼◻(To rotate, revolve, spin rapidly) verb [UK: wɜːl] [US: ˈwɝːl]Leaves were whirling in the air. = Les feuilles tourbillonnaient en l'air.