The phrase "certain kinship" means having a special or particular connection or similarity with someone or something, often based on shared qualities or characteristics. Full definition
As you read Some Thoughts, you discover that this is much more difficult than it sounds, which makes for a certain kinship between Locke's work and Jean - Jacques Rousseau's Emile. (firstthings.com)
«There's a certain kinship that is shared.» (si.com)
Franco also acknowledged that his multifaceted career as a writer - director - actor - performance artist meant that he shared a certain kinship with Wiseau's creative ambitions. (indiewire.com)