Noun
divergence [pl. divergences]
spacing [pl. spacings]
estrangement [pl. estrangements]
separation [pl. separations]
difference [pl. differences]
discord [pl. discords]
dissimilarity [pl. dissimilaritys]
disunity [pl. disunities]
unlikeness [pl. unlikenesses]
unwillingness {feelings & emotions}
disaffection {feelings & emotions}
disinclination {feelings & emotions}
reluctancy {feelings & emotions}
...
Verb
to diverge [ diverged ; diverged ]
تباعد {الشّيْئان}
to separate [ separated ; separated ]
to branch [ branched ; branched ]
to split [ split ; split ]