gayret

n. effort, go, zeal, ardor, ardour [Brit.], endeavor, endeavour [Brit.], energy, assiduity, conation, enthusiasm, exertion, fervency, fervor, fervour [Brit.], hastiness, industry, intentness, keenness, nerve, pep, push, sedulity, slog, snap, spurt

exertion, effort, endeavour, toil, labour, ardour, zeal, enthusiasm, energy, diligence, struggle