This is the 5018th most frequent Turkish word.
gönülden
Sincerely; wholeheartedly.
Here, 'gönülden' is used to emphasize the emotion of love, signifying deep and sincere feeling from the heart.
Gönülden sevdim bu şehri.
I loved this city wholeheartedly.
In this sentence, 'gönülden' describes the source of the voice, emphasizing its emotional and heartfelt origin.
Gönülden gelen bir sesle şarkısını söyledi.
They sang their song with a voice coming from the heart.
Here, 'gönülden' modifies the action of giving support, indicating sincerity and deep commitment.