you can't run with the hare and hunt with the hounds
underreplicated
ununifiable
unsoundable
unappliable
conflict
inextricable
infertile
unprogrammable
unfragmentable
unconcretizable
nonundoable
unsimulable
unpairable
nondomesticable
uneffaceable
inaddible
unspillable
nonprovable
unduplicatable
superimprobable
dupe
refigure
undisguisable
inachievable
nonobtainable
nonratifiable
uncombinable
uncreatable
irrevisable
approachless
unarticulable
unimplementable
undepletable
inseparable
unadvisable
noninterchangeable
unmusterable
oil and water
unprovable
ingenerable
improvable
inescapable
indefiable