antiparallel 12 Associations

parallel (similar term)

collateral 10 Associations

parallel (similar term)

nonconvergent 13 Associations

nonintersecting parallel (similar term)

nonintersecting 15 Associations

nonconvergent parallel (similar term)

parallel 8 Associations

antiparallel (similar term) collateral (similar term) nonconvergent (similar term) nonintersecting (similar term) comparable (related term) symmetrical (related term) symmetric (related term)