Countable Nouns Starting with OP and Containing AL

Explore 35 verified English countable nouns starting with OP and containing AL, including Optional, Opal, Ophthalmologist, Optionality, Ophthalmoscope, Opaline and Ophthalmoscopy. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

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Starts with OPA3 words
opal
opaline
opaleye
Starts with OPE
1 words
operationalist
Starts with OPH24 words
ophthalmologist
ophthalmoscope
ophthalmoscopy
ophthalmist
ophthalmoplegia
ophthalmometer
ophthalmometry
ophthalmoscopist
ophthalmomycosis
ophicalcite
ophthalmodynamometer
ophthalmostatometer
ophthalmodiagnosis
ophthalmothermometer
ophthalmencephalon
ophthalmomyositis
ophthalmoneuritis
ophthalmocarcinoma
ophthalmotonometer
ophthalmophobia
ophthalmotropometer
ophthalmophyllum
ophthalmodiastimeter
ophthalmomyotomy
Starts with OPO
1 words
opobalsam
Starts with OPT
2 words
optional
optionality

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