Abstract Nouns That Start with OP

Find 96 valid English abstract nouns starting with OP, including Open, Operation, Opportunity, Opinion, Option, Operating and Opening. Check definitions and usage below, or visit our noun grammar guide to explore examples of abstract vs. concrete nouns.

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Starts with OP
1 words
op
Starts with OPA4 words
opacity
opaqueness
opalescence
opacification
Starts with OPC
1 words
opcode
Starts with OPE24 words
open
operation
operating
opening
opera
openness
opener
openmindedness
operetta
operand
operability
operant
operatics
openendedness
openheartedness
operatorship
operagoing
operationalism
openhandedness
operativeness
operativity
openability
operationism
operosity
Starts with OPH17 words
ophthalmology
ophidiophobia
ophthalmia
ophthalmoscopy
ophiology
ophthalmoplegia
ophiophilia
ophthalmometry
ophiolatry
ophthalmotonometry
ophthalmodiagnosis
ophthalmomyositis
ophthalmoneuritis
ophthalmoblennorrhea
ophthalmophobia
ophthalmophlebotomy
ophthalmatrophia
Starts with OPI9 words
opinion
opium
opiate
opinionativeness
opinionatedness
opisthotonus
opiumism
opisthography
opisthognathism
Starts with OPO
1 words
opotherapy
Starts with OPP17 words
opportunity
opposite
opposition
oppression
opportunism
opprobrium
oppressiveness
oppositeness
opportuneness
oppugnancy
opposability
opponency
oppositionism
opprobriousness
oppilation
oppignoration
oppigneration
Starts with OPS3 words
opsonization
opsimathy
opsonification
Starts with OPT15 words
option
optional
optimization
optimism
optics
optimum
optometry
optimality
optionality
optoelectronics
optogenetics
optative
optronics
optology
optimisticalness
Starts with OPU
2 words
opus
opulence

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