12-Letter Words Containing ERC

There are 160 12-letter words that contain ERC. 61 are common words, such as ALTERCATIONS and COMMERCIALLY. A rarer one is WEATHERCASTS. In this set, I is the most frequent open letter (117 words). 44 words contain a doubled letter.

Full list 160

Common words

altercationscommerciallycounterclaimfiercenesseshandkerchiefimperceptiveinfomercialsinterceptinginterceptioninterceptorsintercessionintercessors
altercationscommerciallycounterclaimfiercenesseshandkerchiefimperceptiveinfomercialsinterceptinginterceptioninterceptorsintercessionintercessorsintercessoryinterchangedinterchangesinterconnectintercoursesmercantilismmerchandisedmerchandisermerchandisesmerchandizedmerchandizesmerchantableneckerchiefsovercapacityovercautiousoverchargingovercloudingovercriticalovercrowdingoverexerciseperceptionalperceptivelyperceptuallypercipiencespercolationsrepercussionsupercargoessuperchargedsuperchargersuperchargessupercilioustercentenarythunderclapsthundercloudtuberculosestuberculosisunderchargedunderchargesunderclassesunderclothesundercoatingundercurrentundercuttingunmercifullyunperceptiveuppercuttingwatercourseswatercressesweathercocksapperceivingapperceptioncapercaillieclapperclawscountercheckcysticercoidexercitationheterocercalhypercorrectimperceptionimpercipientintercalatedintercalatesinterceptiveintercostalsintercurrentmercantilistmercifulnessmercurialismmercurialitymercurializemisperceivedmisperceivesovercastingsovercroppingperceptivitypercipientlypercussivelypercutaneousrepercussivesuperclassessuperconductsupercoolinguncommercialapperceptivecapercailziecoercivenesscoercivitiescountercoupscountercriesdimercaprolshypercapniashyperchargedhyperchargeshypercomplexhypercriticsinoperculateinterceptersinterchainedinterchangerinterchannelinterclusterintercoastalintercompanyintercompareinterconvertintercoolersintercountryintercroppedintercrossedintercrossesintercultureintercuttingmercurationsmetacercarianonmercurialovercautionsoverchillingoverclaimingoverclassifyovercleaningoverclearingovercoachingovercompressoverconcernsoverconsumedoverconsumesovercontrolsovercorrectsovercountingovercrammingperchloratesplerocercoidpostexercisesupercabinetsupercarriersupercenterssuperciliarysuperclustersupercoilingsupercurrenttranspiercedtranspiercestuberculateduncoercivelyundercoolingundercountedwatercoolersweathercasts

About this list

Words
160 (61 common words)
Common example
altercations
Rare example
weathercasts
Doubled letters
44
Ending in S
56
Most frequent letter
I (117)

Questions

How many 12-letter words containing erc are there?

160. 61 of them are common words.

What is a common example?

ALTERCATIONS is among the common words in this set.