Adverbs Starting with O and Containing OS

Explore 23 verified English adverbs starting with O and containing OS, including Ossia, Opposite, Ostensibly, Ostentatiously, Oppositely, Ostensively and Osmotically. Browse these modifying words for manner, time, place, and degree below, or study adverb placement and -ly formation rules in our verb grammar guide.

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Starts with OP5 words
opposite
oppositely
opposably
opposingly
operosely
Starts with OR
2 words
orthosymmetrically
oryctognostically
Starts with OS13 words
ostensibly
ostentatiously
ostensively
osmotically
ossia
osteopathically
osseously
osteologically
oscilloscopically
oscillographically
osmically
oscitantly
osmometrically
Starts with OT
2 words
otoscopically
otiosely
Starts with OV
1 words
overprosperously

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