The word "bookkeeper" fits this description. It ends with a double "r" and also has two different double letters in it, which are "oo" and "ee."
cOOEE
coffeetoffeecommittee
whiff, wahoo, whirr
Necessary.
One of the longest words with double letters is "bookkeeper," which has three sets of double letters (oo, kk, ee). Another contender is "bookkeeping," which also features the same double letters. Both words are commonly cited in discussions about words with repeating letters.
PEE ZOO See Too Pooaddallassboocooebbeggerrfeegooheeillinnmoooddoffteewee
I'm a bit confused by the question. If you are looking for a word that fits that try bassoon
Successfully is a 12 letter word with three set of double letters. Stubbornness is another 12 letter word.
accessoryaddressaggressiveannuallyappallassessassassinbitternessbuccaneerblurrinessbulletproofbutterballbuttresscassettecarelessnesscarryallcoffeecommissarycommissioncrabbinessfurrinesshappinesspennilesspuffinessruddinesssluggishnessstiffnessstillnessstubbornnessstuffinesssuccesstallnessvolleyballwellnesswheelbarrow
3 letter words ending with double letters: * add * ass * all * bee * boo * coo * ebb * egg * err * fee * ill * moo * odd * off * see * too * tee * wee * zoo
ConnecticutMinnesotaPennsylvaniaMassachusettsHawaiiMissouriMississippiIllinois
Raccoon is a word. It includes double letters in a row.