potayto, potahto
same difference
distinctionless
nondifference
unconflicting
tomayto, tomahto
undistinguished
distinction without a difference
uncontrasting
noncontrasting
horse of a different color
unparticularizing
nondifferent
indiscriminative
nonsimilarly
undifferent
indifferent
uncontradictious
differing
unbegetting
what's the difference
unpertaining
unparticularized
cum laude
unchastising
differential
generally
hairsplit
off the track
in the main
in general
nonambiguous
distinguo
nonnecessity
nonrelated
secondarily
nonexuding
unexiguous
undifferentiated
instantial
nonequivalent
meanwhile
nonimportable
nonimplied
nonsimilar
alteriority
undistinguishingly
interdistinguish
variation
noncomplaint
nonidentically
interterm
diverse
nonadjunct
indiscriminable
undistinguishedly
irrelative
matterless
beside the mark
wherebetween
nonvarying
another
nonruminating
otherly
distinctor
unpredisposing
undifferentiating
unaptly
nonthing
a-
nonanalogy
nondivergence
fine line
nothing to choose between
whatever
nondistinct
nonconjunctive
undiscriminatingly
run-of-the-mine
nonrepresentationally
unconditional
nonimplication
run-of-the-mill
always
unexceptional
nonrequirement
constantly
uncircumstanced
unconfutable
on the face of
different
invariably
mine run
interdictively
nonexcludable
nonprepositional
even