12-Letter Words Matching ____I____R__

There are 38 12-letter words that match ____I____R__. 10 are common words, such as BILLIONAIRES and CANDIDATURES. A rarer one is ZILLIONAIRES. 10 words contain a doubled letter.

Full list 38

Common words

billionairescandidaturescantileveredhummingbirdslatticeworksmillionairesmockingbirdsmulticoloredmultilateralparticularlydissimilarlydorsiventral
billionairescandidaturescantileveredhummingbirdslatticeworksmillionairesmockingbirdsmulticoloredmultilateralparticularlydissimilarlydorsiventralfissirostralgranitewaresisodiametriclenticularismaquiladorasmatrilateralmilliamperesmultilayeredparticoloredpatrilateralplesiosaurusseptilateralserviceberryunneighborlycraniosacralfascicularlyhomoiothermsmultitoweredplanispheresplanisphericpredischargestraightbredsubmicrogramtensiometricurediosporeszillionaires

About this list

Words
38 (10 common words)
Common example
billionaires
Rare example
zillionaires
Doubled letters
10
Ending in S
15

Questions

How many 12-letter words matching ____i____r__ are there?

38. 10 of them are common words.

What is a common example?

BILLIONAIRES is among the common words in this set.