simple-hearted /sˈɪmpəlhˈɑːɹɾᵻd/ /sˈɪmpəlhˈɑːtɪd/
sincere /sɪnˈsɪr/ /sɪnˈsɪə/
honest /ˈɑnɪst/ /ˈɒnɪst/