Words that come from Proto-Indo-European “h₃ep-”
400 words across 23 languages descend from Proto-Indo-European h₃ep- — including office, operation, officer, official, copy, operate, cooperation, copyright.
See the etymology of h₃ep- itself →
English (287)
- office
- operation
- officer
- official
- copy
- operate
- cooperation
- copyright
- operator
- optimal
- operational
- opera
- officially
- cooperate
- optimistic
- optimism
- optimum
- copious
- unofficial
- omnibus
- omnipotent
- cooperating
- interoperability
- opulent
- omnipresent
- omniscient
- photocopy
- operatic
- oeuvre
- opus
- opulence
- optimally
- operand
- officiating
- suboptimal
- optimist
- optimality
- officious
- copiously
- omnium
- ure
- operationally
- officiate
- omnipresence
- copyist
- unofficially
- officialdom
- optimistically
- cornucopia
- omnivorous
- operetta
- interoperable
- copier
- operationalize
- operationalization
- copyhold
- inure
- copycat
- copyrightable
- copiousness
- omnidirectional
- photocopier
- reoperation
- copywriter
- officiously
- teleoperation
- interoperate
- officiousness
- oper
- preoperational
- noncooperation
- officeholder
- copybook
- inurement
- officialism
- enure
- ouvrier
- interoffice
- operationalise
- cooperator
- interoperation
- nonofficial
- omnivore
- optime
- overoptimistic
- nonoptimal
- copyholder
- officeholding
- opulently
- suboptimally
- microcopy
- operationalism
- recopy
- nonoperational
- multicopy
- omnipotently
- phenocopy
- uncopyrightable
- copyrightability
- officership
- photocopiable
- officiality
- opuscule
- teleoperator
- overoptimism
- cornucopian
- opusculum
- omnicompetent
- copyboy
- officialese
- suboptimality
- omnivorously
- optimate
- suboptimum
- copyreader
- omnibenevolent
- operatically
- omnisciently
- postoperation
- operationism
- omnivorousness
- officiator
- copytext
- copyism
- omnitemporal
- operationality
- omnibenevolence
- omnicompetence
- suboffice
- telecopier
- superoperator
- optimalism
- operationalist
- officialization
- telecopy
- omniform
- intraoffice
- Soroptimist
- operagoer
- noncooperating
- officeseeker
- operatorship
- interoperator
- operationalizable
- inofficious
- nonoperator
- preoperation
- microoperation
- inofficial
- reoperate
- omnicide
- copiable
- omnigenous
- suboperation
- omnisexual
- overoptimistically
- omniprevalent
- unofficered
- omnirelevance
- misoperation
- officialize
- maloperation
- underofficer
- omnidirectionally
- officialness
- officeseeking
- nonoperatic
- officelike
- unofficious
- arquebusade
- noncopyrightable
- extraofficial
- intraoperation
- nonoffice
- operagoing
- nonoptimality
- copytaker
- omniferous
- operationist
- omnirelevant
- subofficer
- noncooperator
- inoperation
- nonofficer
- inoperational
- copyline
- copyer
- omnirange
- omnipresently
- copiest
- protocooperation
- overofficious
- superoptimal
- miscopy
- officeless
- omnigraph
- noninteroperable
- officerless
- intraoperator
- omnidirectionality
- interoperably
- operatical
- counteroperation
- operatorial
- omniformity
- omnipercipient
- anticopyright
- copyrighter
- omnispective
- operalike
- antiofficial
- unoptimistic
- copiability
- uncopiable
- officewide
- recopier
- copygraph
- optimity
- omnisexuality
- antiopera
- nonomnipotent
- officeward
- operatee
- multioperation
- officialty
- copyread
- operationalistic
- teleoperate
- superoptimistic
- unoperatic
- omniarch
- inofficially
- officeress
- omnipatient
- omnisentient
- omnivagant
- nonomniscient
- operatorless
- nonopera
- officewear
- unopulent
- copygirl
- hyperoptimistic
- operatable
- opiparous
- misoperate
- uncooperating
- copyback
- eigenoperator
- omnilingual
- omnisentience
- operationalizability
- semioperatic
- preoperationally
- xerocopy
- dyscopia
- omniana
- recopyright
- operettic
- unofficiality
- enurement
- omnicorporeal
- omnipercipience
- ouvrierist
- officerly
- copieth
- inureth
- monocopy
- genocopy
- nonofficially
- optimalise
- inofficiously
- inopulent
- omni-
- omnify
- omniparient
- omniparity
- operameter
- unofficialness
- office boy
- soft copy
- modus operandi
- co-operation
- hors d'oeuvre
- omnitheism
- omnitheist
- semi-official