List of 13-letter words containing •••••

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There are 6 thirteen-letter words containing F, H, 2N, T and U

FOUNTAINHEADS	• fountainheads n. Plural of fountainhead. • FOUNTAINHEAD n. a spring that is the source of a stream.
HYPERFUNCTION	• hyperfunction n. (Mathematics) A generalization of a function. • hyperfunction n. (Medicine) Abnormally elevated function. • HYPERFUNCTION n. the overactivity of a gland or other bodily organ.
SULFONMETHANE	• sulfonmethane n. (Organic chemistry) A sedative drug with chemical formula C₇H₁₆O₄S₂; acetone diethyl sulfone. • SULFONMETHANE n. (US) a colourless crystalline compound used medicinally as a hypnotic, also SULPHONMETHANE.
UNFORTHCOMING	• unforthcoming adj. Not forthcoming; laconic or uncooperative. • UNFORTHCOMING adj. not forthcoming.
UNHURTFULNESS	• unhurtfulness n. The quality of not being hurtful. • UNHURTFULNESS n. the state of being unhurtful.
UNTHRIFTINESS	• unthriftiness n. The quality of being unthrifty. • UNTHRIFTINESS n. the state of being unthrifty.

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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English Wiktionary: 53 words
Scrabble in French: 8 words
Scrabble in Spanish: 1 word
Scrabble in Italian: 8 words
Scrabble in German: no word
Scrabble in Romanian: 2 words

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