As adjectives the difference between childless and orbate
is that childless is not having any children while orbate is (obsolete) bereaved; fatherless or childless.
childless
Adjective
(-)
Not having any children.
Synonyms
* babyless, childrenless, kidless, offspringless
* child-free, childfree
orbate
English
Adjective
(
-)
(obsolete) bereaved; fatherless or childless
(
Webster 1913)
----