Synonyms and related words :
aligned, analogous, coextending, coextensive, collateral, comparable, concurrent, correspondent, corresponding, duplicate, equal, equidistant, equispaced, equivalent, even, lined up, matching, nonconvergent, nondivergent, of a kind, of a piece, of a size, parallel, parallelepipedal, parallelinervate, parallelodrome, parallelogrammatic, parallelogrammic, parallelotropic, twin