Rekation
Rekation is a term that appears only sporadically in written sources. In German, the standard word for a reaction is Reaktion, making Rekation most often a misspelling or typographical error. In other languages or contexts, Rekation may function as a proper noun or coined term, detached from any fixed definition.
As a misspelling, Rekation can occur in user-generated content, optical character recognition outputs, or hurried copy.
Etymology and relation to Reaktion: Rekation likely derives from the same root as Reaktion (from Latin reactio),