effort [efforts](the amount of work involved in achieving something) noun [UK: ˈe.fət] [US: ˈe.fərt]My efforts produced no results. = Mina ansträngningar producerade inga resultat.
exertion [exertions](the action of exerting) noun [UK: ɪɡ.ˈzɜːʃ.n̩] [US: ɪg.ˈzɝː.ʃn̩]