13-Letter Words Matching _R____O______

There are 76 13-letter words that match _R____O______. 25 are common words, such as ARCHAEOLOGIES and ARCHAEOLOGIST. A rarer one is URETHROSCOPES. In this set, T is the most frequent open letter (56 words). 18 words contain a doubled letter.

Full list 76

Common words

archaeologiesarchaeologistcredulousnesscriminologiescriminologistfractiousnessfrivolousnessgrandiositiesgrandmotherlyirrationalityirresponsibleirresponsibly
archaeologiesarchaeologistcredulousnesscriminologiescriminologistfractiousnessfrivolousnessgrandiositiesgrandmotherlyirrationalityirresponsibleirresponsiblyornithologiesornithologistorthodontistsorthogonalitytracheotomiestragicomediestransformabletransportabletranspositiontrapshootingstremulousnesstrigonometrictrustworthierarachnophobiaarchaeopteryxarteriovenousbrachiosaurusbronchoscopeserroneousnesserythroblastserythromycinsfractionatingfractionationgrandiosenessirrationalizepredatorinesspremenopausalprimatologiesprodemocraticprolegomenousproparoxytoneproprioceptorprosopopoeiastranslocationtrapezohedrontrichromatismarchegoniatesarteriographybreadboardingbronchoscopicbronchospasmscryobiologiescryobiologistergastoplasmsfractionalizefractionatorsgranulomatousirrationalismirrationalistorthogonalizepreannouncingpreenrollmentprerevolutionprimatologistprosopographyprotonotariestracheophytestranslocatingtransmountaintrichlorphonstropocollagentroublousnesstrustworthilyurethroscopes

About this list

Words
76 (25 common words)
Common example
archaeologies
Rare example
urethroscopes
Doubled letters
18
Ending in S
34
Most frequent letter
T (56)

Questions

How many 13-letter words matching _r____o______ are there?

76. 25 of them are common words.

What is a common example?

ARCHAEOLOGIES is among the common words in this set.