14-Letter Words Matching ____OC________

There are 60 14-letter words that match ____OC________. 8 are common words, such as ETHNOCENTRISMS and HYDROCEPHALIES. A rarer one is TROPOCOLLAGENS. In this set, I is the most frequent open letter (53 words). 12 words contain a doubled letter.

Full list 60

Common words

ethnocentrismshydrocephaliesmicrocomputersnitrocellulosepetrochemicalsprecociousnessratiocinationsvideocassettesadenocarcinomaaudiocassettescosmochemistrycyanocobalamin
ethnocentrismshydrocephaliesmicrocomputersnitrocellulosepetrochemicalsprecociousnessratiocinationsvideocassettesadenocarcinomaaudiocassettescosmochemistrycyanocobalaminferroconcretesheliocentricalhistochemistryhydrocellulosehydrocephaloidhydrocephaloushydrochlorideshydrocortisoneiatrochemistrylignocellulosemacrocephaliesmacrocephalousmicrocephaliesmicrocephalousmicrochemistrymicrocircuitryorthochromaticperlocutionarypetrochemistryphotochemistrypiezochemistryradiochemistrytrisoctahedronbromocriptinesconsociationaldissociabilityglucocorticoidhydrocephalicshydrocolloidalhydrocrackingsleukocytosisesmicrocassettesmicrocephalicsneurochemicalsneurochemistrynondoctrinairenondocumentaryonchocerciasesonchocerciasisphotochromismsphotocomposersphotocomposingphytochemistryreinoculationsrhodochrositesschlockmeisterseriocomicallytropocollagens

About this list

Words
60 (8 common words)
Common example
ethnocentrisms
Rare example
tropocollagens
Doubled letters
12
Ending in S
29
Most frequent letter
I (53)

Questions

How many 14-letter words matching ____oc________ are there?

60. 8 of them are common words.

What is a common example?

ETHNOCENTRISMS is among the common words in this set.