12-Letter Words Starting With PRO

There are 165 12-letter words that start with PRO. 84 are common words, such as PROBATIONARY and PROBATIONERS. A rarer one is PROVOCATIVES. In this set, I is the most frequent open letter (122 words). 35 words contain a doubled letter.

Full list 165

Common words

probationaryprobationersprocessionalprocessionedproclamationproclivitiesprocreationsprocurementsprodigiouslyproductivelyproductivityprofanations
probationaryprobationersprocessionalprocessionedproclamationproclivitiesprocreationsprocurementsprodigiouslyproductivelyproductivityprofanationsprofessionalprofessorialproficientlyprofiteeringprofiterolesprofligaciesprofligatelyprofoundnessprofunditiesprogesteroneprogrammableprogrammaticprogrammingsprogressionsprogressivesprohibitionsproletariansproletariatsproliferatedproliferatesprolificallyprolongationpromontoriespromptitudespromptnessespromulgatingpromulgationpromulgatorsproofreadersproofreadingpropagandistpropagandizepropagationspropensitiesprophetessesprophylacticpropitiatingpropitiationpropitiatorypropitiouslyproportionalproportionedpropositionsproprietressprorogationsproscriptionprosecutionsproselytismsproselytizedproselytizerproselytizesprospectusesprosperitiesprosperouslyprostitutingprostitutionprostrationsprotactiniumprotagonistsprotectivelyprotectorateprotestationprotoplasmicprototypicalprotractionsprotuberanceproveniencesproverbiallyprovidentialprovinciallyprovisioningprovocationsprobabilismsproboscideanprocathedralprocedurallyprocommunismprocommunistproconsulateproctologiesproctologistproctoscopesprofessorateprojectivelyprolegomenonproliferatorprolificnesspronouncedlypropaedeuticpropagandismpropernessesproscriptiveprosecutableprosopopoeiaprothalamionprothalamiumprothonotaryprothrombinsprotohistoryprotomorphicprototherianprototrophicprotozoologyprotuberancyprovisionersprovocateursprobabilistsproblematicsproboscidianprocarbazineproctodaeumsproctorshipsprocurationsproductionalprofessoriatprogestogensproglottidesprognathismsprojectionalprologuizingpronephrosespronominallypronucleusespropertylessprophethoodspropitiatorspropoxyphenepropranololsprosauropodsproselytisedproselytisesprosobranchsprosodicallyprostacyclinprosthetistsprostitutorsprotectoriesproteinuriasprotensivelyproteoglycanprothallusesprotocollingprotomartyrsprotonationsprotonematalprotophloemsprotoplanetsprotrusivelyproudheartedprovablenessprovisionalsprovisionaryprovocatives

About this list

Words
165 (84 common words)
Common example
probationary
Rare example
provocatives
Doubled letters
35
Ending in S
74
Most frequent letter
I (122)

Questions

How many 12-letter words starting with pro are there?

165. 84 of them are common words.

What is a common example?

PROBATIONARY is among the common words in this set.