sugar and spice
first-of-its-kind
have it both ways
two sides of the same coin
vagrate
different
nother
other
different breed of cat
fine line
tiger of a different stripe
worlds apart
allo-
hair-splittingly
Antarctic
contrasted
dif
stick out a mile
differing
out of both sides of one's mouth
contradictionary
far removed
distinct
otherwise
varied
conflictingly
wide-ranging
hetero-
alteriority
ballgame
new ballgame
aberrant
odd couple
alternative
another story
pushmi-pullyu
discrepant
change
product differentiation
nonidentical
nondifference
lucus a non lucendo
double
betweenity
nonidentity
a whole nother
difference
now
contrast
xor
on the horns of a dilemma
off-color
modulo
undermatch
disparate
rephrasable
never the twain shall meet
Ernie and Bert
various
peculiar
counterview
sidegrade
dissimilarly
diverse
another
contrastive
unidentical
two-sided
a world of difference
interrelationship
contrasting
quasiequivalent
deviant
contraspective
errabund
depairing
deviate
Tweedledum and Tweedledee
opposite
discrepantly
contrastingly
counter
mixed
worse
chalk and cheese
variation
divergence
ultradistinct
cross-handed
nonsimilar
bidirectionally
two-edged
relation