Some words that start with K and end with ly:
kaleidoscopically. karyotypically. keenly. kelly. kiddingly. killingly. kindheartedly. kindlessly. kindly. kinematically. kinesthetically. kinetically. kingly. kinkily. kissably. kittenishly. knavishly. knightly. knobbly. knolly. knottily. knowingly. knowledgeably. knuckly. knurly.
* keenly * key * kinky * kitty * kidney * killjoy * kindly * kingly * knobby * knotty * knowingly
· kaleidoscopically
· keenly
· kiddingly
· kindheartedly
· kindly
· kingly
· kinkily
· knowingly
· knowledgeably
kinky
Kitty
keenkinkingpin
Some words beginning with P and ending with K:PackPaddockPadlockPaintworkPaperbackPaperworkParkPartookPassbookPassmarkPatchworkPaybackPaycheckPeacockPeakPebrookPeckPeekPerkPickPickabackPickwickPieceworkPiggybackPillockPinkPinprickPipeworkPipsqueakPitchforkPlacekickPlanckPlankPlasterworkPlaybackPlaybookPlonkPluckPlunkPockPocketbookPockmarkPollackPollockPoppycockPorkPostmarkPothookPotluckPrankPreshrankPreshrinkPreshrunkPresoakPrickPuckPullbackPunk
killer, kilter, kisser
Some words beginning with P and ending with K:PackPaddockPadlockPaintworkPaperbackPaperworkParkPartookPassbookPassmarkPatchworkPaybackPaycheckPeacockPeakPebrookPeckPeekPerkPickPickabackPickwickPieceworkPiggybackPillockPinkPinprickPipeworkPipsqueakPitchforkPlacekickPlanckPlankPlasterworkPlaybackPlaybookPlonkPluckPlunkPockPocketbookPockmarkPollackPollockPoppycockPorkPostmarkPothookPotluckPrankPreshrankPreshrinkPreshrunkPresoakPrickPuckPullbackPunk
Kilmarnock
Some six letter words ending in K are:attackdamaskembarkhijackremarkshriekshrink
Fork.
Some five letter words ending in k include:slackstackstinkstunktrucktrunk
Not in any dictionary I tried (two of which contain over 250,000 words each).
Turtleneck...
knack, knock, kayak, kapok, kiosk Special bonus: klunk
kayak, kiosk, knack, knock, kapok Special bonus: klunk