词根词缀：oriri-, orir-, ori-, or-

【来源及含义】Latin: to rise, arising, to be born, source, original; the rising sun, east; to ascend, to spring up, to become visible, to appear

【同源单词】Ab origine, Ab origine fidelis, aboriginal, aboriginally, aboriginary, aborigine

词根词缀：-orium, -oria, -ory

【来源及含义】Latin: a suffix; a place or instrument for performing the action of the main element; a place used for something

【同源单词】amatory, ambagitory, ambulatory, armory, auditorium, balneatory

词根词缀：orn-

【来源及含义】Latin: to equip; to prepare, to furnish, to fit out

【同源单词】adorn, adornment, ornament, ornamental, ornamentally, ornamentation

词根词缀：ornitho-, ornith-, -ornithic, -ornithes, -ornithoid, -ornis, ornis-

【来源及含义】Greek: bird, birds

【同源单词】dinornithic, ichthyornis, notornis, ornighopus, ornighorynchous, ornis

词根词缀：oro-, or-, ori-

【来源及含义】Latin: mouth, face; referring to the "mouth"

【同源单词】oroantral, orofacial, orofaciodigital syndrome, orolingual, oromaxilla, oronasal

词根词缀：oro-, oreo-, ore-, oreino-, orein-

【来源及含义】Greek > Latin: mountain; hill

【同源单词】bathyorographical, bathyorography, Oread, Oreodon, Oreodont, oreography

词根词缀：oro-, orrho-

【来源及含义】Greek: whey, serum

【相关词根词缀】Serum, whey words are also at this sero-, ser- unit.

【同源单词】orrhology, orrhomeningitis, orrhoreaction, orrhorrhea, orrhotherapy

词根词缀：-orrhexis, -rhexis, -rrhexis

【来源及含义】Greek: used as a suffix; rupture of an organ or vessel; a breaking forth, bursting

【同源单词】angiorrhexis, arteriorrhexis, cardiorrhexis, cystorrhexis, enterorrhexis, hepatorrhexis

词根词缀：ortho-, orth-

【来源及含义】Greek: right, straight, correct, true; designed to correct

【同源单词】anorthographic, anorthography, anorthopia, anorthosis, diorthosis, orthergasia

词根词缀：-ory

【来源及含义】Latin: a suffix; of or relating to; like; resembling

【同源单词】accessory, acclamatory, amendatory, bibitory, consolatory, contradictory