painstaking russian

• стара́тельный

  diligent, assiduous, painstaking

  industrious

• усе́рдие

  zeal, diligence, assiduity, painstakingness

• кропотли́вый

  painstaking

• аккура́тность

  exactness, punctuality, carefulness, painstakingness, conscientiousness

• усе́рдный

  diligent, industrious, painstaking, zealous, hard, laborious

• стара́тельность

  application, assiduity, diligence, painstakingness