muumuu
A six letter word that starts with U is upward.
Some six letter words with U as the fourth letter:AbductAbruptAbsurdAccuseActualAgoutiAlludeAllureAmountAmbushAnnualAroundArouseAssumeAssureAstuteAttuneDeduceDeductEndureEnoughEnsureInjureLegumeManualNatureOccultOccupyRefuseReputeResultResumeRobustSaluteSequelSequinSloughSpouseSpruceTenureTraumaSome six letter words with U as the fifth letter:AbacusAccrueAsylumAtriumAvenueCactusCherubChorusCircusCitrusConcurDetourFamousFungusHiatusLeagueLineupMasqueMediumMiscueMurmurMuseumOpaquePeanutPlaquePursueRadiusRescueRhesusSodiumStatueStatusTalcumTeacupTongueUniqueUntrueVirtueWalnutWalrus
Some six letter words with the second letter U are:auburnaugustauricleauroraauthorautismautumnbucketbucklebudgetbuffetbufferbulletbumblebumperbundlebunglebunkerburgleburgerbutanebutlerbutterbuttoncubismcuckoocuddlecudgelcupolacurfewcurlercursorcurtsycustomcutletcutoffcutterdugoutdulcetduplexdustereulogyeunucheurekafumblefungusfunnelfurrowfusionfutilefutureguitarguiltygulletgunnergurglegussetgutterguzzlehuddlehumblehungerhunterhustlejumblejunglejunkiekuchenlumbermuddlemumblemuttermutualnudistnuggetoustedoutfitoutrunpuddlepulleypunnetpusherputterquaintqueasyrubberruggedrusticsubtlesubmitsucklesullensupplesurreytumbleturkeyturrettussleturtlevulgar
The letter U in the word four is actually silent. The word is pronounced identically to the word "for".
Some six letter words with second letter U and fourth letter K are:bucketbucklebunkercuckooduckedduckiehunkerhuskedjunkedjunkerjunketluckedlurkedmuckedmusketmuskoxpuckerpunkedquakesruckussuckersulkedsunkentuckedturkey
vacuum
untrue
Humbug
Utah
Some six letter words that include the letter U are:absurdactualaroundauthorblouseblurryburdenburrowcampuschorusquaverstupidtruant
The four-letter word that U is pronounced like a short I is "unit." You're welcome.