Some 8 letter words with U as the 3rd letter:
Abundant
Adultery
Aluminum
Aquanaut
Aquarium
Aquatics
Aquatint
Aqueduct
Aquifers
Aquiline
Baulking
Blubbers
Blubbery
Bludgeon
Bluebell
Bluebird
Bluffing
Blunders
Bluntest
Blunting
Blurrier
Blurring
Blurting
Blushing
Bouffant
Bouillon
Boulders
Bouncers
Bouncier
Bouncily
Bouncing
Boundary
Bounding
Bounties
Bouquets
Bourbons
Boutique
Bruising
Brunched
Brunches
Brunette
Brushing
Brushoff
Brutally
Cauldron
Caulking
Causally
Causeway
Cautious
Chubbier
Chuckled
Chuckles
Chugging
Chummier
Chummily
Chunkier
Churches
Churning
Clubbing
Clubroom
Clucking
Clueless
Clumpier
Clumping
Clumsier
Clumsily
Clusters
Clutched
Clutches
Clutters
Coughing
Councils
Counsels
Counters
Countess
Counties
Counting
Couplets
Coupling
Couriers
Courtesy
Courting
Crucifix
Cruelest
Cruisers
Cruising
Crumbled
Crumbles
Crumpled
Crumples
Crunched
Crunches
Crusader
Crusades
Crushing
Crustier
Daughter
Daunting
Diuretic
Doubling
Doubters
Doubtful
Doubting
Doughier
Doughnut
Drudging
Drummers
Drumming
Drunkard
Drunkest
Some 6 letter words with U as the third letter:abusedblurrybountybrunchblurtsboundschumpschurchcountycourtschurnscrustychummycrummychuckscrunchdrunksflurryfluentfourthgruntshourlymournsmoundspouredpoundsroundsscurrysoundsslurpssouredspurnssturdyshucksstuntsskunksstumpsscummytouredtruststrumpstrunkstruant
Some five letter words with U in the middle are:abuseazurebluntblurbblushbrushchurnchumpclumpcrushdauntdoubtdruidfluidfruitgourdgrumpgrunthaunthoundhousejoustlousemauvemousemouthplushpoundroughroundroutesaucesautesoundsouthtouchvouchyouth
Some seven letter words with the second letter A and the third letter U are:bauxitecausticcautiondauphinhaughtyhauntedhauteurlaundrymaudlinnaughtypaunchyraucousraunchysauntersausagevaulted
Boastful
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
Some 6 letter words with U as the third letter:abusedblurrybountybrunchblurtsboundschumpschurchcountycourtschurnscrustychummycrummychuckscrunchdrunksflurryfluentfourthgruntshourlymournsmoundspouredpoundsroundsscurrysoundsslurpssouredspurnssturdyshucksstuntsskunksstumpsscummytouredtruststrumpstrunkstruant
Some five letter words with U in the middle are:abuseazurebluntblurbblushbrushchurnchumpclumpcrushdauntdoubtdruidfluidfruitgourdgrumpgrunthaunthoundhousejoustlousemauvemousemouthplushpoundroughroundroutesaucesautesoundsouthtouchvouchyouth
Some seven letter words with the second letter A and the third letter U are:bauxitecausticcautiondauphinhaughtyhauntedhauteurlaundrymaudlinnaughtypaunchyraucousraunchysauntersausagevaulted
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern U--U--A-. That is, eight letter words with 1st letter U and 4th letter U and 7th letter A. In alphabetical order, they are: unvulgar usquabae usquebae
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern ---U---U. That is, eight letter words with 4th letter U and 8th letter U. In alphabetical order, they are: froufrou sucuruju surucucu tucutucu
Boastful
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 2 words with the pattern E--U--U-. That is, eight letter words with 1st letter E and 4th letter U and 7th letter U. In alphabetical order, they are: embusque excursus
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 2 words with the pattern L-U---U-. That is, eight letter words with 1st letter L and 3rd letter U and 7th letter U. In alphabetical order, they are: laudanum laughful
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern B-U-U---. That is, eight letter words with 1st letter B and 3rd letter U and 5th letter U. In alphabetical order, they are: bouquets
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern --P-U-U-. That is, eight letter words with 3rd letter P and 5th letter U and 7th letter U. In alphabetical order, they are: seppukus