What is another word for "strain"?

Roget's Thesaurus (1911) lists these synonyms for "strain": about, abuse, accent, acoustics, act, acting, action, ado, agency, all, and, arbitrary, are, aside, aspirate, attach, audibility, audible, authorship, away, back, bad, baleen, bear, best, blow, bounce, boutade, brain, break, breathing, bring, buoyancy, buoyant, cadence, camel, cancel, caoutchouc, capriccio, caprice.