This is the 542nd most frequent Bulgarian word.
ръка
"Ръка" in English means "hand."
Here, 'ръка' is used literally to refer to the physical hand, part of the human body.
Тя ми подаде ръката си, когато трябваше да скоча.
She lent me her hand when I needed to jump.
In this sentence, 'ръка' is used metaphorically to describe someone who is very helpful or supportive.
Той е дясната ми ръка в офиса.
He is my right hand in the office.
Here, 'ръце' (the plural form of 'ръка') is used metaphorically to convey control or responsibility.