Countable Nouns Starting with OBS and Containing O

This list gathers 38 English countable nouns starting with OBS and containing O, such as Observation, Obstacle, Observer, Obsession, Obstruction, Obsessive and Obscurity. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review singular and plural count rules.

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Starts with OBSC7 words
obscurity
obscenity
obscuration
obscura
obscurantist
obscurement
obscurant
Starts with OBSE17 words
observation
observer
obsession
obsessive
observable
observance
observatory
observability
obsequies
obsessional
obsessor
obsequy
observator
obsecration
observancy
obsequent
obsessionist
Starts with OBSI
2 words
obsidian
obsignation
Starts with OBSO
2 words
obsoletion
obsoletism
Starts with OBST10 words
obstacle
obstruction
obstetrician
obstinacy
obstructionist
obstruent
obstructor
obstipation
obstetrix
obstriction

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