nother
allo-
hetero-
other
otherwise
different
alternative
otherly
distinct
another
differently
nonsimilar
stick out a mile
disaccord
first-of-its-kind
discord
change
disagree
another pair of shoes
off-color
oppositely
different breed of cat
unalike
quasiequivalent
tiger of a different stripe
sugar and spice
alter
wide-ranging
worlds apart
varied
nonsimilarly
differingly
themness
rephrasing
unlike
differ
vagrate
contrasted
rephrasable
far removed
a whole nother
opposed
nonequivalent
nonidentical
dissimilarly
bidirectionally
cut below
contrastive
comonad
nondifference