Well, the most common meaning is the two people were meant to be together, in one form or another. Soul mates is another term used. It means they tend to have a mutual interest in a subject and they are meant to commiserate, if you will, on the subject.
Typically Kindred Spirits is used in a romantic sense.
Not exactly an answer but,The Welsh and Irish are kindred spirits.Mae'r Cymry a'r Gwyddelod yn debyg i'w gilydd.
Plagiarists are all kindred spirits.
The plural of kindred is kindreds. As in "my kindreds are local".
(kindred - familial, shared)There was a literally kindred relationship between the European rulers whose countries fought in World War I.(kindred spirits - idiom for sharing opinions or outlook)We are kindred spirits on the issue of gun control.
Similar occupations,
The duration of A Kindred Spirit is 1200.0 seconds.
A Kindred Spirit ended on 1999-11-13.
A Kindred Spirit was created on 1995-05-15.
She proved to be a kindred spirit.
Example sentence - She had long admired his kindred spirit.
Kindred spirit
Not exactly an answer but,The Welsh and Irish are kindred spirits.Mae'r Cymry a'r Gwyddelod yn debyg i'w gilydd.
The expression is a 'kindred spirit'.
Kindred Spirit or Bosom Friend
Kindred Spirits are two people who have a special bond or connection based on a shared personal experience. This relationship goes beyond friendship and is similar to soul mates.
Friend? Look up synonyms of friend if that's not it.
I think the phrase you mean is 'kindred spirit' - it's when two people have an unspoken 'connection' - in that they may independently think the same things.