13-Letter Words Matching ________ER___

There are 126 13-letter words that match ________ER___. 32 are common words, such as ADMINISTERING and AMBIDEXTERITY. A rarer one is WOOLGATHERERS. In this set, I is the most frequent open letter (99 words). 29 words contain a doubled letter.

Full list 126

Common words

administeringambidexterityantibacterialbookbinderiescantileveringcaravanseraiscarboniferouschancelleriescommandeeringcouncilpersoncryosurgeriesdemagogueries
administeringambidexterityantibacterialbookbinderiescantileveringcaravanseraiscarboniferouschancelleriescommandeeringcouncilpersoncryosurgeriesdemagogueriesfilibusterersfilibusteringforegatheringgimcrackerieshelicopteringinconsideratemouthwateringnondeliveriesovermasteringoverwinteringphysiotherapypsychotherapyreconsideringrediscoveriesrediscoveringskulduggeriessupernumerarytransliterateweatherpersonwoolgatheringactinotherapyaluminiferousargentiferousargilliferousbalsamiferousbibliotherapybrachypterouscalcariferouscobelligerentequiponderatefossiliferousglobuliferousgrotesquerieshematothermalheteropteroushousewiferieshymenopteranshymenopterousimmunotherapyintersidereallepidopteranslepidopteristlepidopterousmetalliferousmycobacteriumnickeliferousorganotherapyphalansterianpoltrooneriespyretotherapyquartziferousrensselaeritesplendiferousthermotherapyumbelliferousalphanumericsantihystericsantilitteringantislaveriesbestsellerdomchronotherapycochairpersoncodiscovererscodiscoveringcordwaineriescotransferredcounterterrorcryopreservedcryopreserveselectrodermalenregisteringequiponderantextraliteraryfellmongeriesfellmongeringfictioneeringgarnetiferousglasspaperinghistaminergichomoiothermichymenopteronsinterlayeringinterobserverironmongeriesjackhammeringjaponaiseriesmonoaminergicmonoglyceridemycobacterialnondegeneratenondeliberatenonmanagerialnoradrenergicoutdeliveringoutglitteringoverconcernedoverexuberantphalansteriespredeliveriesreengineeringrencounteringreregisteringretransferredstigmasterolsstoloniferoussuperpowerfultrichopteransultraliberalsultrapowerfulunbelligerentundersteeringweltschmerzeswhigmaleerieswoolgatherers

About this list

Words
126 (32 common words)
Common example
administering
Rare example
woolgatherers
Doubled letters
29
Ending in S
52
Most frequent letter
I (99)

Questions

How many 13-letter words matching ________er___ are there?

126. 32 of them are common words.

What is a common example?

ADMINISTERING is among the common words in this set.