doubly
ambidirectional
tweely
contrariwise
dualistically
interterm
amphi-
bothridial
distinctly
duodenally
then
mixed
duopolistically
dually
biadjoint
betweenity
alteriority
latterly
otherwise
differently
ambi-
twofoldly
wear two hats
frontofrontal
double-handed
interden
ana-
interoptode
dualist
at once
intermental
bifronted
bistrategic
both-handed
better
in between
just as
in two ways
even as
relation
double-barreled
on the flip side
vagrate
dif
double-barrelled
differing
bilateral
cross-handed
feed two birds with one scone
accommodation
bisemous
intertheoretical
down to
speak
differentiatedly
wherebetween
ambigenous
bifold
bivious
interrelationship
miscibility
contradictorily
differingly
incrustate
divergently
however
interdistinguish
two sides of the same coin
conversely
submentalize
co-
contrastedly
whichaway
contrastingly
between
twosome
antarafacially
dualic
play a double game
'tween
distinguishment
correspondingly
interstaminal
tandemly
bidual
intertegular
wherealong
intertesseral
following
fritter
sententially
then again
intermode
directedly
equidifference