12-Letter Words Matching _____O__I___

There are 71 12-letter words that match _____O__I___. 19 are common words, such as BIBLIOPHILES and BILLIONAIRES. A rarer one is ZILLIONAIRES. In this set, S is the most frequent open letter (60 words). 17 words contain a doubled letter.

Full list 71

Common words

bibliophilesbillionairescaliforniumsepiglottidesepiglottiseslandholdingsmillionairesmonologuistsoutcroppingsrailroadingsreapportionsscaffoldings
bibliophilesbillionairescaliforniumsepiglottidesepiglottiseslandholdingsmillionairesmonologuistsoutcroppingsrailroadingsreapportionsscaffoldingssoliloquizedsoliloquizestheosophicaltheosophistsunrecognizedwithholdingswoodworkingsbibliophiliccalliopsisescentroclinalendodontistseosinophilicfirebombingsgreenockitesheterocliticoneirocriticspermophilesstereopticonsupraorbitaltechnophilesthermophilesthermophilictrophozoitesunreconciledailurophilesbulldoggingsceratopsianschansonnierschloroquinesdiagnosticaleosinophiliaequinoctialsgastrotrichshandholdingsheteroclitesheteroeciousheteroecismshomoiousiansinterorbitallandlordismsneutrophilicnucleophilesnucleophilicoffscouringsparaboloidalposthospitalproglottidesroadholdingssailboatingsshergottitessoliloquisedsoliloquisessoliloquistssoliloquizerstereopsidesthermoclinesvagabondismswildfowlingszillionaires

About this list

Words
71 (19 common words)
Common example
bibliophiles
Rare example
zillionaires
Doubled letters
17
Ending in S
50
Most frequent letter
S (60)

Questions

How many 12-letter words matching _____o__i___ are there?

71. 19 of them are common words.

What is a common example?

BIBLIOPHILES is among the common words in this set.