skunks
Some six letter words with second letter U and fourth letter K are:bucketbucklebunkercuckooduckedduckiehunkerhuskedjunkedjunkerjunketluckedlurkedmuckedmusketmuskoxpuckerpunkedquakesruckussuckersulkedsunkentuckedturkey
skinny
skirts
bakerybikingbakinghikingjokinglikingmakingpokingrakingtakingwaking
Kudos is a five-letter word for award, but it starts with k.
squawkstreak
Upkeep
kitsch
Khaki
attackbetookdebunkdebarkembarkhijackremarkrepackretookreworkshrankshrinkshrunkstreakstrokestrucksquawksqueakthwackuncorkunhookunpackunlinkupkeepunlink
Milk.
skinny, skimpy