13-Letter Words Matching ____ER_______

There are 162 13-letter words that match ____ER_______. 59 are common words, such as BACTERIOLOGIC and BUTTERFINGERS. A rarer one is WINTERBERRIES. In this set, I is the most frequent open letter (124 words). 60 words contain a doubled letter.

Full list 162

Common words

bacteriologicbutterfingerscauterizationcommercialismcommercializeconcertinaingconcertmasterconservanciesconservationsconservatismsconservativesconversations
bacteriologicbutterfingerscauterizationcommercialismcommercializeconcertinaingconcertmasterconservanciesconservationsconservatismsconservativesconversationscooperativelydaguerreotypedesperatenessdexterousnessdifferentialsdifferentiatedissertationsexacerbationsfingerprintedflowerinesseshorseradishesjitterbuggersjitterbuggingkindergartenskindergartnerlecherousnessletterpressesmastermindingmasterstrokesmotherfuckersmotherfuckingneckerchievesnonhereditarynonperformingnonperishableoutperformingponderousnesspreservationspreservativespreternaturalpulverizationpumpernickelsrollerskatingrubberneckersrubberneckingrutherfordiumsubserviencessubservientlytemperamentaltemperatenesstenderheartedtriceratopsesuniversalizeduniversalizesvulnerabilitywelterweightswonderfulnessautoeroticismbacteriolysesbacteriolysisbacteriophagebacteriostatsbanderilleroscommercialistconservatoireconvergenciesconversanciesconversazioneconvertiplanecostermongersdangerousnessdessertspoonsdeuteragonistdeuteranopiasdifferentnessfilterabilityfingerbreadthhomoeroticismjitterinessesmalversationsmasterclassesmasterfulnessmercerizationmesmerizationmesmerizinglymisperceivingmisperceptionmurderousnessnonpersistentoystercatcherpickerelweedsponderositiesproverbialityrasterizationrollerbladingrollercoastersubperiostealsubternaturaluniversalismswinterizationausterenessesbacteriolyticbacteriophagybacterizationbitterbrushesbittersweetlycoacervationscommercialisecommercialityconcertednessconcertgoingsconferencingsconservatizedconservatizesconversazioniconvertaplanedaguerreotypydeuteranomalydeuterostomesenumerabilityfingerpickingfraternalismsgingerbreadedglycerinatingguttersnipishhysterotomiesinoperculatesisomerizationjabberwockiesletterboxingsletterspacinglickerishnessmastersingersnonderivativenonperformersnonpermissivepeppergrassespepperinessespervertednessphanerophytesprayerfulnessprecertifyingpreferabilitypretermissionpretermittingreiterativelysilverberriessilverinessessincerenessessinterabilitysolderabilitysubterraneoussubversionarysummersaultedtenderizationtenderometerstimberdoodlesuniversalistsuniversalnesswinterberries

About this list

Words
162 (59 common words)
Common example
bacteriologic
Rare example
winterberries
Doubled letters
60
Ending in S
80
Most frequent letter
I (124)

Questions

How many 13-letter words matching ____er_______ are there?

162. 59 of them are common words.

What is a common example?

BACTERIOLOGIC is among the common words in this set.