13-Letter Words Matching ____OP_______

There are 77 13-letter words that match ____OP_______. 18 are common words, such as ANGIOPLASTIES and APPROPRIATELY. A rarer one is SPOROPOLLENIN. In this set, I is the most frequent open letter (63 words). 17 words contain a doubled letter.

Full list 77

Common words

angioplastiesappropriatelyappropriatingappropriationappropriatorsastrophysicalchiropracticschiropractorscosmopolitansexpropriatingexpropriationexpropriators
angioplastiesappropriatelyappropriatingappropriationappropriatorsastrophysicalchiropracticschiropractorscosmopolitansexpropriatingexpropriationexpropriatorsimproprietiesorthopaedistsoveroptimismspostoperativesarcophagusesuncooperativemicroplasticscycloparaffincyclopropanesflavopurpuringlycoproteinsleptophyllousmicroparasitenecrophiliacsnecrophilismsnitroparaffinoligopolisticphytoplanktonprosopopoeiasrhinoplastiesstenopetalousstenophylloussubpopulationaminophyllineanthophylliteappropriativebenzophenonesbipropellantscoleopteristscoprophiliacscoproprietorscosmopolitismflavoproteinsglycopeptideshydroperoxideiontophoresesiontophoresisiontophoreticmetropolitansmicroparticlemicrophyllousmicrophysicalmicropipettesmicroplanktonmicroporositymicroprogramsmicropuncturemythopoeticalnannoplanktonneuropeptidesorthopteristsorthopteroidsosteoplastiesoutpopulatingoveroperatingoveroptimistsphotoperiodicphotopolymersphotopositivephotoproductsphytopathogenphytoplankterprecopulatoryprosopographysporopollenin

About this list

Words
77 (18 common words)
Common example
angioplasties
Rare example
sporopollenin
Doubled letters
17
Ending in S
40
Most frequent letter
I (63)

Questions

How many 13-letter words matching ____op_______ are there?

77. 18 of them are common words.

What is a common example?

ANGIOPLASTIES is among the common words in this set.