The Collaborative International Dictionary of English v.0.48:

Sabaeanism \Sa*bae"an*ism\, n.
   Same as Sabianism.
   [1913 Webster] Sabaeism

The Collaborative International Dictionary of English v.0.48:

Sabianism \Sa"bi*an*ism\, n.
   The doctrine of the Sabians; the Sabian religion; that
   species of idolatry which consists in worshiping the sun,
   moon, and stars; heliolatry. [Written also Sabaeanism.]
   [1913 Webster]