equals

equivalent

companion compeer competitor complement copy counterpart double duplicate like likeness match mate parallel rival twin

alter ego coequal

difference opposite original

inferior

amount to break even compare comprise correspond match reach

agree approach balance coordinate emulate equalize equate equipoise level meet parallel rival tally tie touch

be commensurate be identical be level be tantamount come up to consist of equiponderate keep pace with live up to measure up partake of rank with rise to run abreast square with

differ fail

disagree disconnect disproportion imbalance separate

unmatch vary