This is the 4723rd most frequent Russian word.
заботы
Concerns; cares; worries.
The word 'заботой' (care) here signifies affection and nurturing attention given to someone.
Родители окружают детей вниманием и заботой.
Parents surround their children with attention and care.
The word 'забот' (concerns) is used to express tasks or responsibilities causing occupation or worry.
У неё на работе много забот, поэтому она редко отдыхает.
She has many concerns at work, so she rarely rests.
The word 'заботой' (care) is used to describe diligence and attention to responsibility.