aligned
analogous
coextending
coextensive
collateral
concurrent
equal
equiangular
equidimensional
equidistant
equilateral
equiproportional
equisided
equisized
even
isometric
lined up
nonconvergent
nondivergent
parallel
parallelepipedal
parallelinervate
paralleling
parallelodrome
parallelogrammatic
parallelogrammic
parallelotropic