variant

noun

1.
an event that departs from expectations
discrepancy variance
Derived from:
variant vary
2.
(biology) a group of organisms within a species that differ in trivial ways from similar groups
form strain var.
Derived from:
variant
3.
4.
something a little different from others of the same type
aspelling betokening offwrixling wend wharve edition variation version
Derived from:
variant vary