15-Letter Words Matching ____RA_________

There are 70 15-letter words that match ____RA_________. 22 are common words, such as CENTRALIZATIONS and CONFRATERNITIES. A rarer one is XERORADIOGRAPHY. In this set, I is the most frequent open letter (59 words). 22 words contain a doubled letter.

Full list 70

Common words

centralizationsconfraternitiescongratulationscontraindicatedcontraindicatesdemoralizationsdesirablenessesdisgracefulnessfederalizationsgeneralizationshonorablenesseshyperactivities
centralizationsconfraternitiescongratulationscontraindicatedcontraindicatesdemoralizationsdesirablenessesdisgracefulnessfederalizationsgeneralizationshonorablenesseshyperactivitiesliberalizationsmiserablenessesnaturalizationsneutralizationsnontransferableprocrastinatingprocrastinationprocrastinatorssuperabundancessuperannuationsabstractionismsabstractionistsadmirablenessesanagrammatizingautoradiographschloramphenicolcontractibilitycontractilitiescontradictorilycontravallationfavorablenessesmalpractitionermineralogicallymistranslationsprocrastinatoryprogrammabilityantiradicalismsantirationalismantirationalistantirationalityautoradiographycontradictoriescontrapositionscontrapositivesdiffractometersdiffractometricdistractibilityepigrammatizersepigrammatizingexecrablenessesgeneralisationshyperaesthesiashyperaggressiveinteranimationslateralizationsliteralizationsmemorablenessesmineralizationsmistranscribingseparablenessessuperablenessessuperabsorbentssuperabundantlysuperactivitiestemerariousnessunderactivitiesvenerablenessesxeroradiography

About this list

Words
70 (22 common words)
Common example
centralizations
Rare example
xeroradiography
Doubled letters
22
Ending in S
46
Most frequent letter
I (59)

Questions

How many 15-letter words matching ____ra_________ are there?

70. 22 of them are common words.

What is a common example?

CENTRALIZATIONS is among the common words in this set.