nothing to choose between
nondifference
what's the difference
dif
differing
matchless
a world of difference
all the same
another
unidentical
fine line
alteriority
undiffering
nonidentical
different
equidifferent
uncontrasted
equidifference
potayto, potahto
wherebetween
nonmatched
co-
nonequal
ill-matched
nondifferent
dissimilar
semidirect
undifferent
distinction without a difference
nonsimilar
undifferenced
nonidentity
unconflicting
nondifferentation
noncontrasting
same, same, but different
uncontrasting
interden
same difference
undistinguishingly
interdistinguish
interterm
unequal
contrast
nondivergence
weak
diverse
unequalled
in between
near as damn it