어긋남(noun) is derived from the verb "어긋나다". It technically means "dislocation", but only in the physical context. It's more often used in the sense of "deviation", just like your question. 조금: little ~조차: even This part means "without even the slightest deviation" = "so spot on" 말이 어긋나다: Aneinander vorbei sprechen (in German; I don't know this expression in English)