Beef, coof (a stupid person), goof, hoof, keef (hemp smoked to produce euphoria), loof (the palm of the hand) and poof (an instantaneous occurrence) are 4 letter words. Additional words include reef, roof and woof (a gruff barking sound).
Five letter words with the second and fourth letter O are:boronbosomcocoacoloncolordonorhonormoronmotorrobotrotor
Some four letter words with second letter U and fourth letter O are:autoeurojudokudoouzo
vowel
Some five letter words with second letter R and fourth letter W are:brawlbrawnbrowncrawlcrowdcrowndrawldrawndrownfrowngrowlgrownprawnprowltrawl
Some six letter words with second letter U and fourth letter K are:bucketbucklebunkercuckooduckedduckiehunkerhuskedjunkedjunkerjunketluckedlurkedmuckedmusketmuskoxpuckerpunkedquakesruckussuckersulkedsunkentuckedturkey
Five letter words with the second and fourth letter O are:boronbosomcocoacoloncolordonorhonormoronmotorrobotrotor
Some four letter words with second letter U and fourth letter O are:autoeurojudokudoouzo
ninja
vowel
Some five letter words with second letter R and fourth letter W are:brawlbrawnbrowncrawlcrowdcrowndrawldrawndrownfrowngrowlgrownprawnprowltrawl
Some six letter words with second letter U and fourth letter K are:bucketbucklebunkercuckooduckedduckiehunkerhuskedjunkedjunkerjunketluckedlurkedmuckedmusketmuskoxpuckerpunkedquakesruckussuckersulkedsunkentuckedturkey
Some five letter words with second letter O and fourth letter E are:bogeybowelbowercometcovencoverdowelhotellosermodelmowernoseynovelpowerrover
Some five letter words with the second and fourth letter A are:cabalcacaoJapanMayannasalradarsalad
"Battle" is one of them.
ballooningbottleneckbottomlessbuttercupsbuttonholecellphonescorrelatescorrugatescottontailcorrectioncorruptiondifferencedissimilardissonancehammerheadlitterbugsmissionarypassagewaypatterningsaddlebagssettlementwallpaperssleepwalkssweetheart
canalcaratfatalJapanKansaskaratkayakmacawmadamnavalpaganradarsalad
Some seven letter words with the second letter A and the third letter U are:bauxitecausticcautiondauphinhaughtyhauntedhauteurlaundrymaudlinnaughtypaunchyraucousraunchysauntersausagevaulted