replaceable
symmetric
symmetrical
alike
assignable
changeable
communicable
commutable
commutative
conductive
consignable
contagious
convertible
conveyable
equal
equalizing
equivalent
even
exchangeable
exchanged
expressable
give-and-take
impartable
indiscernible
indistinct
indistinctive
indistinguishable
interchanged
mailable
metathetic
movable
mutual
permutable
portable
portative
reciprocal
reciprocating
reciprocative
removable
retaliatory
returnable
standard
stereotyped
substitutable
swapped
switched
traded
transferable
transfusable
transmissible
transmissive
transmittable
transportable
advisable
antagonistic
applicable
attainable
coincident
comprehensible
definable
detachable
disarm
discoverable
disposable
expendable
nonexistent
recognizable
reconfigurable
reusable
subservient
synonymous
undetectable
unman
unpronounceable
washable