As nouns the difference between pally and rally
is that
pally is (colloquial) a palestinian while
rally is a demonstration; an event where people gather together to protest for or against a given cause or
rally can be good-humoured raillery.
As a verb rally is
to collect, and reduce to order, as troops dispersed or thrown into confusion; to gather again; to reunite or
rally can be to tease; to chaff good-humouredly.