List of 15-letter words containing

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There are 17 fifteen-letter words containing KN

ACKNOWLEDGEABLE	• acknowledgeable adj. Able to be acknowledged. • acknowledgeable adj. Worthy of acknowledgement. • ACKNOWLEDGEABLE adj. capable of being acknowledged.
ACKNOWLEDGEABLY	• acknowledgeably adj. Such that it can be acknowledged. • ACKNOWLEDGEABLE adv. capable of being acknowledged.
ACKNOWLEDGEMENT	• acknowledgement n. (Most common British spelling, also sometimes used in the US) Alternative spelling of acknowledgment. • ACKNOWLEDGEMENT n. the act of acknowledging, also ACKNOWLEDGMENT.
ACKNOWLEDGMENTS	• acknowledgments n. Plural of acknowledgment. • ACKNOWLEDGMENT n. the act of acknowledging, also ACKNOWLEDGEMENT.
BRAINSICKNESSES	• BRAINSICKNESS n. BRAINSICK, diseased in the understanding, deranged.
COCKNEYFICATION	• cockneyfication n. The use of cockney words or mannerisms, especially by non-cockneys. • COCKNEYFICATION n. the process of cockneyfying.
COCKNIFICATIONS	• COCKNIFICATION n. the process of cocknifying.
DISACKNOWLEDGED	• disacknowledged v. Simple past tense and past participle of disacknowledge. • DISACKNOWLEDGE v. to refuse to acknowledge, disown.
DISACKNOWLEDGES	• disacknowledges v. Third-person singular simple present indicative form of disacknowledge. • DISACKNOWLEDGE v. to refuse to acknowledge, disown.
GREENSICKNESSES	• GREENSICKNESS n. GREENSICK, suffering from chlorosis.
HEARTSICKNESSES	• heartsicknesses n. Plural of heartsickness. • HEARTSICKNESS n. HEARTSICK, very sad.
KNOWLEDGABILITY	• knowledgability n. Alternative form of knowledgeability. • KNOWLEDGABILITY n. the quality of being knowledgable.
PYKNODYSOSTOSES	• PYKNODYSOSTOSIS n. a rare inherited bone disease characterized by short stature and thickening and fragility of the bones.
PYKNODYSOSTOSIS	• pyknodysostosis n. Alternative form of pycnodysostosis. • PYKNODYSOSTOSIS n. a rare inherited bone disease characterized by short stature and thickening and fragility of the bones.
UNKNOWABILITIES	• unknowabilities n. Plural of unknowability. • UNKNOWABILITY n. the state of being unknowable.
UNKNOWINGNESSES	• UNKNOWINGNESS n. the state of being unknowing.
UNKNOWLEDGEABLE	• unknowledgeable adj. Lacking knowledge, ignorant, naive, or foolish. • UNKNOWLEDGEABLE adj. not knowledgeable.

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 1Word.ws and WikWik.org.

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English Wiktionary: 138 words
Scrabble in French: 3 words
Scrabble in Spanish: no word
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: 1 word

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