Usually an uncountable abstract noun, but occasionally pluralized in formal or literary style.
Translations
Her affectionateness toward the children was evident in every gesture.
Её ласковость по отношению к детям проявлялась в каждом жесте.
I was touched by the affectionateness in his voice.
Меня тронула нежность в его голосе.
The hostess's affectionateness made the guests feel at home.
Сердечность хозяйки заставила гостей почувствовать себя как дома.
Definitions
The quality or state of being affectionate; warmth or tenderness of feeling. Her affectionateness toward the children was evident in every gesture.