| ophidiasis Ophidiidae
 ophidioid
 ophidion
 ophidiophobia
 ophidism
 ophidism
 Ophiodon
 Ophiodontidae
 Ophiodon elongatus
 
 | Ophioglossaceae Ophioglossales
 Ophioglossum
 Ophioglossum pendulum
 ophiolatry
 ophiolite (current term)
 ophiolites
 ophiological
 ophiologies
 ophiologist
 
 | ophiology ophiology
 ophiomancy
 ophiomorpha
 ophiomorphite
 ophiomorphous
 ophiophagous
 ophiophagus
 Ophiophagus
 Ophiophagus hannan
 
 |