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List of 13-letter words containing

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There are 17 thirteen-letter words containing K, L, O and Y

BLOCKHEADEDLYblockheadedly adv. In a blockheaded way.
BLOCKHEADED adv. stupid.
CRYOPLANKTONSCRYOPLANKTON n. minute organisms, esp. algae, living in ice, snow, or icy water.
CYTOSKELETONScytoskeletons n. Plural of cytoskeleton.
CYTOSKELETON n. the network of protein filaments and microtubules in the cytoplasm that controls cell shape, maintains intracellular organization, and is involved in cell movement.
FOREKNOWINGLYforeknowingly adv. With foreknowledge.
FOREKNOWING adv. FOREKNOW, to know beforehand.
GLYCOALKALOIDglycoalkaloid n. (Organic chemistry) Any of a class of alkaloid glycosides, most of which are poisonous.
GOBBLEDYGOOKSgobbledygooks n. Plural of gobbledygook.
GOBBLEDYGOOK n. unintelligible official jargon, also GOBBLEDEGOOK.
HEARTBROKENLYheartbrokenly adv. In a heartbroken manner.
HEARTBROKEN adv. having a broken heart.
HOLIDAYMAKERSholidaymakers n. Plural of holidaymaker.
holiday-makers n. Plural of holiday-maker.
HOLIDAYMAKER n. someone on holiday.
KATABOLICALLYKATABOLIC adv. relating to catabolism, destructive chemical processes in living creatures, also CATABOLIC.
KNOWLEDGEABLYknowledgeably adv. In a knowledgeable manner.
KNOWLEDGEABLE adv. possessing knowledge, also KNOWLEDGABLE.
PHYTOPLANKTERphytoplankter n. A single phytoplankton organism.
PHYTOPLANKTER n. a planktonic plant.
PHYTOPLANKTONphytoplankton n. Plankton, especially those small in size, that obtain energy by photosynthesis.
PHYTOPLANKTON n. vegetable plankton, that includes diatoms, desmids, and dinoflagellates.
POIKILOTHERMYpoikilothermy n. (Biology) The quality of having a body temperature that varies or fluctuates, depending on the temperature…
POIKILOTHERMY n. the state of being cold-blooded, also POIKILOTHERMISM.
THANKWORTHILYTHANKWORTHY adv. worthy of thanks.
UNKNOWABILITYunknowability n. The quality or state of being unknowable.
UNKNOWABILITY n. the state of being unknowable.
UNWORKABILITYunworkability n. The quality or state of being unworkable, lack of workability.
unworkability n. An unworkable aspect or element.
UNWORKABILITY n. the quality of being unworkable.
YELLOWJACKETSyellowjackets n. Plural of yellowjacket.
yellow-jackets n. Plural of yellow-jacket.
yellow␣jackets n. Plural of yellow jacket.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 296 words
  • Scrabble in French: 8 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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