ob | against | | ob-, o-, oc-, of-, og-, op-, os-[126] | | ob | obduracy, obdurate, obduration, obfuscate, oblique, obliquity, obstinate, obstreperous, occur, offend, omit, oppose, ostensible, ostentatious |
octogeni | eighty each | | octogen- | | octogeni | octogenarian, octogenary |
octogesimus | eightieth | | octogesim- | | octogesimus | octogesimal |
octoni | eight each | | octon- | | octoni | octonary |
octāvus | eighth | | octav- | | octāvus | octaval |
octō | eight | | oct- | | octō | octangular, octennial, octovir |
oculus | eye | | ocul- | | oculus, oculare | ocular, oculus, ullage |
odium | hate | | odi- | | odium | odious |
odor | fragrant | | odor- | | odor | malodorous, odoriferous, odorous |
oleum | oil | | ole- | | oleum | oleosity |
oliva | olive | | oliv- | | oliva | olivaceous, olivary, olivette |
omasum | paunch | | omas- | | omasum | abomasum, omasum |
omentum | fat skin | | oment- | | omentum | omental |
omen | creepy | | omin- | | omen, ominis | abominable, ominous |
omnis | all | | omni- | | omnis | omnipotence, omnipresent, omniscient, omnivore |
onus | burden, load | | oner- | | onus, oneris | exonerate, exoneration, onerous, onus |
opacus | shady | | opac- | | opacus | opacity, opacus, opaque |
operire | cover | | oper- | | operire, operculum | interoperculum, kerchief, opercular, operculiform, operculum |
optare | choose | | opt- | | optare | adopt, adoptee, adoption, adoptive, co-option, coopt, cooptation, nonoptional, opt, optation, optative, option, optional, optionality |
optimus | best | | optim- | | optimus | optimal, optimum |
opus | work | | oper- | | opus, operis | cooperate, inoperable, opera, operate, opus |
orare | pray, plead | | ora- | | orare to pray, plead | adore, adoration, exorable, inexorable, oracle, orate, oration, orator, oratorio, oratory, orison, perorate, peroration, perorator |
orbis | circle | | orb- | | orbis | orbit |
oriri | rise | | ori-, ort- | | oriri, ortus | aboriginal, abort, abortifacient, abortion, abortive, disorient, disorientation, orient, oriental, Orientalia, orientate, orientation, orientational, orientative, origin, original, originality, originate, origination, originator, reorient, reorientation |
oscillum | swing | | oscill- | | oscillum | oscillate, oscillation, oscillator, oscillatory |
ostium | entrance | | osti- | | ostium | ostiary, ostiolar, ostiole, ostium |
os | bone | | oss- | | os, ossis | exossation, interosseous, ossature, osselet, osseocartilaginous, osseointegration, osseous, ossicle, ossicular, ossiferous, ossification, ossifrage, ossify, ossuary |
os | mouth | | or- | | os (genitive oris) mouth | adosculation, inosculate, inosculation, interosculate, intraoral, oral, orifice, osculant, osculum, peroral |
ovum | egg | | ov- | | ovum | obovate, oval, ovarian, ovariole, ovary, ovate, ovicapsule, ovicidal, ovicide, oviduct, oviferous, oviform, oviposition, ovipositor, ovolo, ovular, ovulation, ovulatory, ovule, ovum, pluriovulate |
ōrdō | order | | ordin- | | ōrdō, ordinis | coordinal, coordinate, coordination, coordinator, disorder, extraordinaire, extraordinary, grandorder, incoordinate, incoordination, infraorder, inordinate, inordination, insubordinate, insubordination, magnorder, mirorder, ordain, ordainment, order, ordinal, ordinance, ordinand, ordinariate, ordinary, ordinate, ordination, ordinative, ordnance, ornery, parvorder, preordain, preorder, preordination, quasiorder, reordain, reorder, reordination, suborder, subordinary, subordinate, subordination, superordain, superorder, superordinate, superordination |
ōrnāre | decorate | | orn- | | ōrnāre | adorn, adornment, ornament, ornamental, ornamentation, ornate, ornative, ornature, suborn, subornation |