alike

identical

like similar

Xerox akin allied analogous approximate associated carbon copy cognate comparable concurrent correspondent corresponding dead ringer ditto double duplicate equal equivalent even facsimile indistinguishable kindred look-alike matched matching mated parallel proportionate related resembling same same difference spitting image undifferentiated uniform

different dissimilar unlike

distinct diverse opposite

likewise

analogously comparably comparatively consonantly correspondingly equally equivalently evenly identically in accordance with in common in the same degree in the same manner similarly the same way uniformly

differently dissimilarly unequally unevenly