Or search: optics, ametropia, astigmatism, keratoconus, keratectasia, ophthalmology
2 Syllables: SU
Cynthia, India, infra, intra, Libya, Linda, lingua, Lydia, stigma
3 Syllables: USU
Abyssinia, Agrippa, enigma, insignia, Olympia, Principia, Virginia

Found 16 words across 2 groupings.