abhorring
discreditable
standardizing
atheism
There isn't one. A baker's dozen is thirteen items.
13 = thirteen.
A thirteen letter word that ends with tending: overextending
What is a thirteen letter word for the French and Indian Revolution?
No, the "i" in "thirteen" is not silent. It is pronounced as the diphthong sound "ee" as in "see."
appropriately
stabilization
abbreviationsabnormalitiesabolitionistsaccelerationsacceptabilityaccommodationaccompanimentaccomplishingaccreditationaccumulationsacknowledgingacquaintancesacrobaticallyadjustabilityadministratoradmissibilityadvertisementaffirmativelyaffordabilityalgebraicallyalliterationsamortizationsanniversariesannouncementsapplicabilityapportionmentapproximatelyarchitecturalargumentativeassassinationattainabilityauthorizationautobiography
abhorring
discreditable
conflagration
actualizationapproximationconfigurationconstellationconsolidationcontaminationcontributionscommunicationdisconcertingdisconnectingdistributionsincriminationinvestigationinstitutionalinformationalintellectualsmanifestationnonnegotiablenonreturnableprotectionismperfectionismprivatizationproliferationreorganizationreproductionsrevolutionarysubordinationunintentionalunconditional
mandarinorang