Yes, there are. Some examples: continuum. vacuum.
vacuum.
Words with double t's:atticattachattainattireattitudebatterybettingbrittlebarrettebuttressbetterbitterbottlebutterbuttonblottercattlecassettecommitteecluttercottoncuttingdittodiskettedinetteetiquetteflutterfritterfatterfetteredfittedglittergutterhitterhotterjitterykettleknittedknottedlittlelotterylettermattermattednettedotterpatternpattypattedpottingpotteryputterpettedrattlesettlestutterspattersputterspittingsplittingspottedswattedslottedscattertattleutterlyvettedwittedkittenlitterbatteredpatternsbetterbottompermitted
Some words that contain a double U are:continuummuumuuvacuum
Vacuum and continuum are the only common ones I can think of. They come from Latin, as I'm sure do any other English words containing a double u, as this is almost a purely Latin feature, in words where the root ends in a u and the suffix is "um."
aardvark
double decker,burger,mint,u,shots,you,and lots more
sayyid
buzzbuzzarddazzledrizzledizzyfizzfuzzfuzzyfizzlefrazzledguzzlegizzardgrizzlyjazzmuzzlenozzlenuzzlepuzzlepizzarazzsizzlewhizzed
Sayyid
Exxon
capuccino
ammoniaammunitionbrimmingbummerchummeddimmerdrummerflammablegrimmergrommetglimmergrammarhammerhummerimmerseimmurejammedmammalpummelrimmedshimmersummerslammerskimmerslimmersimmerswimmerswimmingtrimmer