Fork.
knapsacks
mcdonalds
keynote
broomstick
outlook, oarlock
Kinetic and kleptomaniac begin with the letter k. They end with the letter c.
firetruck
frick, suck , luck, duck, buck (F word) dick
Some words beginning with P and ending with K:PackPaddockPadlockPaintworkPaperbackPaperworkParkPartookPassbookPassmarkPatchworkPaybackPaycheckPeacockPeakPebrookPeckPeekPerkPickPickabackPickwickPieceworkPiggybackPillockPinkPinprickPipeworkPipsqueakPitchforkPlacekickPlanckPlankPlasterworkPlaybackPlaybookPlonkPluckPlunkPockPocketbookPockmarkPollackPollockPoppycockPorkPostmarkPothookPotluckPrankPreshrankPreshrinkPreshrunkPresoakPrickPuckPullbackPunk
Kilmarnock
keenkinkingpin
Backpack Bankbook Bareback Basilisk Beadwork Bodywork Bookmark