9-Letter Words Matching ______OI_

There are 73 9-letter words that match ______OI_. 12 are common words, such as BOURGEOIS and CELLULOID. A rarer one is TRETINOIN. In this set, D is the most frequent open letter (59 words). 10 words contain a doubled letter.

Full list 73

Common words

bourgeoiscelluloidcharbroilellipsoidhydrofoilmaladroitmeteoroidmongoloidprotozoicreservoirsangfroidtrapezoid
bourgeoiscelluloidcharbroilellipsoidhydrofoilmaladroitmeteoroidmongoloidprotozoicreservoirsangfroidtrapezoidacanthoidallantoidallantoisantechoirarachnoidarytenoidbacteroidblennioidchancroidcondyloidcoralloidcretinoidcyprinoiddemantoiddermatoideutectoidgranitoidhydantoinhypoploidhysteroidichthyoidinterjoinmeniscoidmetalloidmonoploidmultifoilmylohyoidphenytoinplanetoidpolyploidquinonoidsalmonoidsphygmoidvarioloidallantoicallantoinaneuploidbenzenoidcarcinoidcorticoidcycadeoidechiuroiderythroideuglenoideunuchoideuthyroidfibrinoidflavonoidgneissoidhexaploidleukemoidnautiloidoctoploidophiuroidpterygoidsaprozoicscombroidsupercoilterpenoidthylakoidtretinoin

About this list

Words
73 (12 common words)
Common example
bourgeois
Rare example
tretinoin
Doubled letters
10
Ending in S
2
Most frequent letter
D (59)

Questions

How many 9-letter words matching ______oi_ are there?

73. 12 of them are common words.

What is a common example?

BOURGEOIS is among the common words in this set.