overriding vs. preponderant
overriding vs. preponderating
operative vs. running
operative vs. surgical
PI vs. operative
operative vs. shamus
operative vs. sherlock
operating vs. operational
operational vs. usable
overemotional vs. sloppy
orphic vs. secret
obliterable vs. removable
occult vs. supernatural
occult vs. secret
odoriferous vs. offensive
offensive vs. unsavory
offensive vs. unsavoury
offensive vs. queasy
offensive vs. sickening
offense vs. offensive
opportunist vs. opportunistic
opportunist vs. timeserving
outermost vs. outmost
older vs. senior
overweight vs. stoutness
opening vs. scuttle
opening vs. orifice
opening vs. porta
opening vs. possibility
odoriferous vs. sweet
odoriferous vs. odorous
odorous vs. sweet
odorless vs. odourless
overladen vs. overloaded
overgenerous vs. unsparing
ostensible vs. ostensive
ostensible vs. seeming
operable vs. practicable
operable vs. usable
obdurate vs. obstinate
obdurate vs. unrepentant
onomatopoeic vs. onomatopoetic
overhasty vs. precipitous
opponent vs. opposing
opponent vs. opposer
opponent vs. resister
opponent vs. opposition
occluded vs. sorbed
one vs. unitary
one vs. single
oceangoing vs. seafaring
oceangoing vs. seagoing
outsize vs. outsized
outsize vs. oversize
outsize vs. oversized
oceanic vs. pelagic
oozing vs. oozy
oozing vs. seeping
oozing vs. seepage
ooze vs. oozing
outspread vs. spread
outlawed vs. unlawful
orotund vs. round
overblown vs. pompous
overblown vs. pontifical
overblown vs. portentous
overpowering vs. overwhelming
outrageous vs. steep
overweening vs. uppity
oncoming vs. onset
obsessional vs. obsessive
obligate vs. oblige
obvious vs. perceptible
official vs. prescribed
overlooked vs. unmarked
obstinate vs. perverse
obstinate vs. unregenerate
offenceless vs. offenseless
overage vs. superannuated
overaged vs. superannuated
organized vs. unionized
orientated vs. oriented
orientating vs. orienting
orthogonal vs. rectangular
obviating vs. preclusive
offended vs. pained
omnipresent vs. ubiquitous
ostentatious vs. pretentious
overrefined vs. superfine
oafish vs. swinish
oscillating vs. oscillatory
ovate vs. pedate
orbicular vs. orbiculate
openmouthed vs. popeyed
overlying vs. superimposed
overturned vs. upset
opencast vs. opencut
organised vs. unionized
outcast vs. pariah
ocular vs. optical
olfactive vs. olfactory
oligarchic vs. oligarchical
optic vs. optical
opthalmic vs. optical
octagonal vs. octangular
oculus vs. optic
oncologic vs. oncological
obstetric vs. obstetrical
occlusive vs. stop
occlusive vs. plosive
operculate vs. operculated
organismal vs. organismic
Olympian vs. Olympic
orthopaedic vs. orthopedic
orthopedic vs. orthopedical
oxidised vs. oxidized
osseous vs. osteal
ossicular vs. ossiculate
object vs. target
overturn vs. upset
overturn vs. turnover
overturn vs. revolutionize
overturn vs. revolutionise
overthrow vs. overturn
override vs. overturn
overturn vs. reverse
overrule vs. overturn
overturn vs. repeal
overturn vs. revoke
overturn vs. rescind
overturn vs. vacate
overturn vs. subvert
oversight vs. supervision
oversight vs. supervising
oversight vs. superintendence
omission vs. skip
occupancy vs. occupation
occupancy vs. tenancy
obtainment vs. obtention
overcapitalisation vs. overcapitalization
option vs. selection
ordinance vs. ordination
order vs. ordination
ordering vs. ordination
ordinance vs. regulation
opposition vs. resistance
oppositeness vs. opposition
overthrow vs. upset
ouster vs. ousting
origin vs. origination
organization vs. system
organisation vs. system
optimisation vs. optimization
overhaul vs. renovation
overhaul vs. service
overhaul vs. pass
obfuscation vs. puzzlement
ornament vs. ornamentation
outing vs. picnic
overtaking vs. passing
overflow vs. runoff
overflow vs. overrun
onslaught vs. outpouring
outpouring vs. spring
operation vs. procedure
operation vs. surgery
operation vs. process
operation vs. performance
outrage vs. scandalization
outrage vs. scandalisation
outrage vs. scandal
outrage vs. shock
offend vs. outrage
outrage vs. scandalise
outrage vs. scandalize
outrage vs. rape
outrage vs. ravish
outrage vs. profane
oppression vs. subjugation
oppression vs. oppressiveness
orgy vs. saturnalia
orgy vs. riot
officiation vs. umpirage
officiating vs. officiation
officiation vs. refereeing
obstruction vs. obstructor
obstructer vs. obstruction
obstacle vs. obstruction
office vs. spot
office vs. power
overwork vs. overworking
oophorectomy vs. ovariectomy
orchidectomy vs. orchiectomy
obscenity vs. salaciousness
obscenity vs. salacity
obscenity vs. smut
offence vs. offense
offense vs. umbrage