SYMMETRICAL, SYMMETRICALLY, SYMMETRY
ADJECTIVES
1592 — SYMMETRIATED symmetrical → obs.
1667 — SYMMETRIOUS symmetrical; corresponding → obs.
ADVERBS
1656 – SYMMETRIOUSLY symmetrically → obs.
NOUNS
1991 — SYMMETROMANIA a mania for symmetry (Bk.)
1991 — SYMMETROPHOBIA an abnormal fear of dislike of symmetry (Bk.)
VERBS
1749 — SYMMETRIZE to be symmetrical; to correspond symmetrically
Lexicophilia 