allelo-, allel-

(Greek: one another, of one another; literally, "the other"; reciprocally; in mutual relation)

parallel (Literally, "beside each other")
1. In geometry, relating to or being lines, planes, or curved surfaces that are always the same distance apart and therefore never meet.
2. Relating to two things that are comparable because they are similar and share many characteristics.
parallelepiped
A polyhedron consisting of six faces that are parallelograms.
parallelism
1. In writing, the deliberate repetition of particular words or sentence structures for effect.
2. In philosophy, the philosophical theory that mind and body do not interact but follow separate parallel tracks, without any relationship of cause and effect existing between the two.
parallelize
To make or place parallel to.
parallelogram
A four-sided plane figure in which both pairs of opposite sides are parallel and of equal length, and the opposite angles are equal.

Inter-related cross references, directly or indirectly, involving word units meaning "another, other, different, alternating, varied, changing": ali-; allo-; alter-; hetero-; mut-; poikilo-; reciproc-; vari-.