a difference between
to differentiate
distinctive
to make or draw a distinction between
to distinguish
to vary
various types of
variable
variation
diverse
diversity
diversify
separate
dissimilar
unrelated
unequal
inconsistent
atypical
contrast
disagree
contradict
to depart from
diverge
oppose
opposite
run counter to
heterogeneous
mutually exclusive
a dichotomy
diametrically opposed
same or similar