Uncountable Nouns Starting with OBS and Containing A

Explore 16 verified English uncountable nouns starting with OBS and containing A, including Observation, Observance, Obsidian, Obstinacy, Observability, Obscuration and Obscurantism. Browse these mass nouns and non-count terms for substances and concepts below, or check quantifier and measurement rules in our noun grammar guide.

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Starts with OBSC
2 words
obscuration
obscurantism
Starts with OBSE9 words
observation
observance
observability
observableness
obsessionality
obsessionalism
observationalism
obsecration
observancy
Starts with OBSI
2 words
obsidian
obsignation
Starts with OBST3 words
obstinacy
obstinateness
obstipation

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