Answer:

identical

AnswerCrossword Clue
IDENTICALSelfsame
IDENTICALCookie-cutter
IDENTICALDuplicate
IDENTICALLike clones
IDENTICALNot even slightly different
IDENTICALLike the cousins on "The Patty Duke Show"
IDENTICALExactly alike
IDENTICALThe same
IDENTICALSame
IDENTICALIndistinguishable
IDENTICALLike some twins
IDENTICALAgreeing exactly.
IDENTICALLike twins.
IDENTICALUndifferent.
IDENTICALAlike.
IDENTICALSaid of some twins.
IDENTICALTwin
IDENTICALImpossible to tell apart
IDENTICALExact same
IDENTICALVery same