Some five letter words that end with K are:blackblinkblockbrickbrinkbrookchickchuckchunkclerkclickclockcluckclunkcrackcrankcreekcrookdrankdrinkdrunkflankflaskfleckflickfrankfreakfriskfrockknockKodakprickquickquirkshirkshookslinkskunksparkstarksteakstickstinkstorkstucktricktruckwhisk
5-k
Some five letter words that start with K are:kabobkaputkarmakayakkazooketchkhakikiddokinkykioskkittyklutzknackknavekneelknifeknishknockknollknownkoalakookykrillkronakronekudzukayak
Some five letter words ending in k include:slackstackstinkstunktrucktrunk
Five letter words that end in K are:blackblockbreakbrookchalkcheckchinkchuckchunkclickclockcluckclunkcrankcreekcroakcrookdrankdrinkdrunkflackflankflaskfleckflickflockflunkfrankfreakfriskfrockGreekkayakkioskknackknockquackquarkquickquirkshackshanksharksheikshirkshockshookshuckskulkskunkslacksleekslickslunksmacksmirksmocksnacksneakspanksparkspeakspeckspookspunkstackstalkstunkstarksteakstickstinkstockstorkstuckswank
Kudos is a five-letter word for award, but it starts with k.
Sikhism
Some five letter words that start with K are:kabobkaputkarmakayakkazookelly (green)ketchkhakikiddokinkykioskkittyklutzknackknavekneadkneelknifeknockknollknownkoalakookykrautkrill
Five thousand
They are members of the infinite set of numbers of the form 5*k where k is an integer.
Kinky!
Five letter words beginning with K:KabobKapokKaratKarmaKayakKazooKetchKhakiKiddoKiddyKioskKittyKlutzKnackKnaveKneelKneesKnellKneltKnifeKnockKnollKnownKnowsKoalaKrill