two peas in pod

balanced commensurate comparable corresponding equivalent identical proportionate

according coordinate correspondent double duplicate egalitarian invariable level look-alike matched matching parallel same uniform

break even evenly matched fifty-fifty homologous identic indistinguishable one and the same same difference spit and image stack up with tantamount to the same degree unvarying

different dissimilar mismatched unequal unlike

changing divergent inconsistent variable

biased disproportionate not alike unequitable unfair unjust unmatched varying