syn-, sy-, sym-, syl-, sys-

Having radially symmetrical flowers.

A compulsion to have symmetry; that is, a balanced and harmonious arrangement.

A collector of pairs of anything and everything.

A fear or dislike of symmetry.

An example of symmetrophobia is when an individual has the compulsion to rearrange furniture so that end tables are not exactly the same distances from a couch, or so identical lamps are not positioned at equal distances from a chair or couch.

There may also be a compulsion to rearrange pictures on a wall in a random manner rather than in a row or equal intervals from each other.

1. Pertaining to, caused by, or exhibiting sympathy.
2. A sympathetic nerve or the sympathetic nervous system (a set or series of interconnected or interdependent parts of entities, objects, organs, or organisms) that function together in a common purpose or produce results impossible of achievement by one of them acting or operating alone.