12-Letter Words Starting With OB

There are 29 12-letter words that start with OB. 16 are common words, such as OBDURATENESS and OBFUSCATIONS. A rarer one is OBSTRUCTIVES. In this set, T is the most frequent open letter (26 words). 5 words contain a doubled letter.

Full list 29

Common words

obduratenessobfuscationsobjectifyingobjurgationsobligatorilyobliteratingobliterationobscurantismobscurantistobsequiouslyobservationsobsolescence
obduratenessobfuscationsobjectifyingobjurgationsobligatorilyobliteratingobliterationobscurantismobscurantistobsequiouslyobservationsobsolescenceobstetricianobstreperousobstructionsobtusenessesoblatenessesobligingnessobliterativeobmutescenceobsoletenessobjectivismsobjectivistsoblanceolateobliteratorsobnubilatingobnubilationobscurationsobstructives

About this list

Words
29 (16 common words)
Common example
obdurateness
Rare example
obstructives
Doubled letters
5
Ending in S
15
Most frequent letter
T (26)

Questions

How many 12-letter words starting with ob are there?

29. 16 of them are common words.

What is a common example?

OBDURATENESS is among the common words in this set.