fettuccinehiccuppingoccurrencesuccessfulsuccessive
Aardvark and eel are words. They begin with double letters.
Not many words begin with double letters. A few of those that do start with double letters include aardvark, eel, eerie, llama, ooh, oomph and ooze.
accessoryaddressaggressiveannuallyappallassessassassinbitternessbuccaneerblurrinessbulletproofbutterballbuttresscassettecarelessnesscarryallcoffeecommissarycommissioncrabbinessfurrinesshappinesspennilesspuffinessruddinesssluggishnessstiffnessstillnessstubbornnessstuffinesssuccesstallnessvolleyballwellnesswheelbarrow
balloon coffee
fettuccinehiccuppingoccurrencesuccessfulsuccessive
buffcuffmuffpuffballbellbillbullcallcellmallmillmullnullpillpullrollsillselltilltelltallwallwellwillbassbosscussfusshisskisslessmessmissmassmosslosspasssasstossmuttmittbuttdollfallfellfillfull
Aardvark and eel are words. They begin with double letters.
abbreviationaccumulationaccentuationaggressivelyappreciationappropriatedconnotationsdissatisfieddisassociateexpressivelyinstallation
Not many words begin with double letters. A few of those that do start with double letters include aardvark, eel, eerie, llama, ooh, oomph and ooze.
they are words that have two sounds to them
accessoryaddressaggressiveannuallyappallassessassassinbitternessbuccaneerblurrinessbulletproofbutterballbuttresscassettecarelessnesscarryallcoffeecommissarycommissioncrabbinessfurrinesshappinesspennilesspuffinessruddinesssluggishnessstiffnessstillnessstubbornnessstuffinesssuccesstallnessvolleyballwellnesswheelbarrow
balloon coffee
litter,flitter,cluttered,command,cheerleader
two syllables, double letters
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.
"Double letters" means two in a row, like tt in "letter" or oo, kk, and ee in "bookkeeper".