13-Letter Words Matching _O____N______

There are 59 13-letter words that match _O____N______. 17 are common words, such as BOARDINGHOUSE and BOOKBINDERIES. A rarer one is ZOOPLANKTONIC. In this set, I is the most frequent open letter (52 words). 12 words contain a doubled letter.

Full list 59

Common words

boardinghousebookbinderiesbougainvilleacondemnationsconfrontationcontainerizedcontainerizescoordinationscountenancingdocumentariesdocumentationforeignnesses
boardinghousebookbinderiesbougainvilleacondemnationsconfrontationcontainerizedcontainerizescoordinationscountenancingdocumentariesdocumentationforeignnesseshomogeneitieshomogeneouslymonotonicallynonagenarianspostponementsboraginaceouscoextensivelycopartnershipcountinghousedoctrinairismdocumentariandocumentaristforeconsciousforlornnesseshorizontalitymonumentalismmonumentalitymonumentalizepolysyndetonspolysyntheticpostmenstrualbottleneckingcodependencesconfoundinglyconsignationscontainerisedcontainerisescontainerlesscontainerportcontainershipcountenancersdocumentalistdocumentarilydolphinfishesforaminiferalforaminiferangourmandizingmonogenicallymoribunditiesnonconnectionnoneconomistsnonidentitiesnonmainstreamnonmeaningfulpolycentrismsposttensionedzooplanktonic

About this list

Words
59 (17 common words)
Common example
boardinghouse
Rare example
zooplanktonic
Doubled letters
12
Ending in S
23
Most frequent letter
I (52)

Questions

How many 13-letter words matching _o____n______ are there?

59. 17 of them are common words.

What is a common example?

BOARDINGHOUSE is among the common words in this set.