Among the currently most popular synonyms for parallel are: level, homologous, side by side, match, concomitant, draw, analog, equivalence, resemblance, even, simultaneous, counterpart, equal, analogue, corresponding, coexistent, coequal, resembling, aligned, parallelism, alongside, parity, kindred, symmetry, mirror, similarity, collateral, of a kind, matching, synchronous, like, correspondence, latitude, likeness, relation, equidistant, analogy, equivalent, correspondent, similitude, concurrent, comparable, analogous, correlation, duplicate, equate, akin, twin, similar, coexisting, related, contemporaneous, comparison, cognate.