Syncretism /(?)/

Syn·cre·tism

Syncretism

n.
  1. Attempted union of principles or parties irreconcilably at variance with each other.
    He is plotting a carnal syncretism, and attempting the reconcilement of Christ and Belial.
    — Baxter.
    Syncretism is opposed to eclecticism in philosophy.
    — Krauth-Fleming.
  2. The union or fusion into one of two or more originally different inflectional forms, as of two cases. (Philol.)