12-Letter Words Containing OCT

There are 20 12-letter words that contain OCT. 4 are common words, such as DOCTRINAIRES and INDOCTRINATE. A rarer one is RHIZOCTONIAS. In this set, S is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 20

doctrinairesindoctrinateoctogenarianpostdoctoralcontraoctavenoctambulismnoctambulistnoctambulousoctosyllabicoctosyllableproctologiesproctologistproctoscopeswitchdoctorsequinoctialsoctahedrallyoctapeptidesproctodaeumsproctorshipsrhizoctonias

About this list

Words
20 (4 common words)
Common example
doctrinaires
Rare example
rhizoctonias
Doubled letters
3
Ending in S
10
Most frequent letter
S (16)

Questions

How many 12-letter words containing oct are there?

20. 4 of them are common words.

What is a common example?

DOCTRINAIRES is among the common words in this set.