ingenuous russian

• бесхи́тростный

  simple, artless, unsophisticated, ingenuous

• неви́нный

  innocent, guiltless, harmless, ingenuous, naive, virgin

• безыску́сственный

  artless, ingenuous, unsophisticated

• простоду́шно

  naively, ingenuously, simply, artlessly

• неви́нность

  innocence, guiltlessness, harmlessness, ingenuousness, naivety, naivete, virginity

• простоду́шие

  open-heartedness, simple-heartedness, simple-mindedness, artlessness, ingenuousness