assiduity [assiduities](great and persistent toil or effort) noun [UK: ˌæ.sɪ.ˈdjuːə.ti] [US: ˌæ.sɪ.ˈdjuːə.ti]
прилежаниеnoun {n}
diligence [diligences](qualities of a hard worker, including conscientiousness, determination, perseverance) noun [UK: ˈdɪ.lɪ.dʒəns] [US: ˈdɪ.lə.dʒəns]