Some five letter words with the fourth letter U are:
strum, strut
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern -U-U--U-. That is, eight letter words with 2nd letter U and 4th letter U and 7th letter U. In alphabetical order, they are: cumulous jujutsus susurrus tubulous tumulous
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern -U-RO. That is, five letter words with 2nd letter U and 4th letter R and 5th letter O. In alphabetical order, they are: burro fuero guiro mucro outro
Some six letter words with U as the fourth letter:AbductAbruptAbsurdAccuseActualAgoutiAlludeAllureAmountAmbushAnnualAroundArouseAssumeAssureAstuteAttuneDeduceDeductEndureEnoughEnsureInjureLegumeManualNatureOccultOccupyRefuseReputeResultResumeRobustSaluteSequelSequinSloughSpouseSpruceTenureTraumaSome six letter words with U as the fifth letter:AbacusAccrueAsylumAtriumAvenueCactusCherubChorusCircusCitrusConcurDetourFamousFungusHiatusLeagueLineupMasqueMediumMiscueMurmurMuseumOpaquePeanutPlaquePursueRadiusRescueRhesusSodiumStatueStatusTalcumTeacupTongueUniqueUntrueVirtueWalnutWalrus
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern -UZU. That is, four letter words with 2nd letter U and 3rd letter Z and 4th letter U. In alphabetical order, they are: kuzu yuzu
strum, strut
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern -A-U-U--. That is, eight letter words with 2nd letter A and 4th letter U and 6th letter U. In alphabetical order, they are: baculums cajuputs makutued pabulums patutuki
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern -U-U--U-. That is, eight letter words with 2nd letter U and 4th letter U and 7th letter U. In alphabetical order, they are: cumulous jujutsus susurrus tubulous tumulous
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern -U-UA----. That is, nine letter words with 2nd letter U and 4th letter U and 5th letter A. In alphabetical order, they are: mutualise mutualism mutualist mutuality mutualize
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern ---GU-U-. That is, eight letter words with 4th letter G and 5th letter U and 7th letter U. In alphabetical order, they are: blagueur cingulum coagulum exiguous longueur
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern -U-U-S-. That is, seven letter words with 2nd letter U and 4th letter U and 6th letter S. In alphabetical order, they are: fuguist guruism jujuism jujuist jujutsu
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern U--U----T. That is, nine letter words with 1st letter U and 4th letter U and 9th letter T. In alphabetical order, they are: uncurrent unjustest unruliest unsubject unsuspect
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern U--U-E--. That is, eight letter words with 1st letter U and 4th letter U and 6th letter E. In alphabetical order, they are: unpurely unqueens unquiets unsurely unsurest
Human, lunar, rural and sugar are 5 letter words. The 2nd letter is u and the 4th letter is a.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern U--U-KI--. That is, nine letter words with 1st letter U and 4th letter U and 6th letter K and 7th letter I. In alphabetical order, they are: unhusking unluckier unluckily unquaking untucking
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern -U-U-I-S. That is, eight letter words with 2nd letter U and 4th letter U and 6th letter I and 8th letter S. In alphabetical order, they are: auguries lupulins luxuries subunits tubulins
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern U--S---. That is, seven letter words with 1st letter U and 4th letter S. In alphabetical order, they are: unasked unisize unisons unusual urosome