See kindred spirit
Given a kindred soul the two will talk and laugh by the hour.
I did not know him long, but he was a kindred soul, and must have a place in my list of boys.
"To its kindred soul," was the reply which was not exactly what was first intended.
The soul had a right to seek its kindred soul: that I could not deny.
I've half a mind to take you home without even an introduction, for your impudence; as though I was not a 'kindred soul.'
Mrs. Doss, somebody interrupted you; you were talking about a kindred soul and an attic.
She no longer felt old and wise, but young and helpless before the compulsion of the kindred soul.
I knew she was in that mood when confession to a kindred soul is most consoling to the heart.
She turned to her kindred soul and looked at him gently, almost wistfully.
M. Dorval overwhelmed Madame Arnould with attention; he had literary tastes, and recognised in her a kindred soul.