List of 12-letter words containing

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There are 17 twelve-letter words containing THRI

AETHRIOSCOPE	• aethrioscope n. (Meteorology) A device for measuring temperature variations due to different atmospheric conditions… • æthrioscope n. Obsolete spelling of aethrioscope. • AETHRIOSCOPE n. an instrument for measuring temperature variations due to sky conditions.
ANTARTHRITIC	• antarthritic n. (Pharmacology) An agent that prevents or alleviates arthritis. • antarthritic adj. (Pharmacology) Preventing or alleviating arthritis. • ANTARTHRITIC adj. used against arthritis.
FORTHRIGHTLY	• forthrightly adv. In a forthright manner. • FORTHRIGHT adv. straightforward.
HAMARTHRITIS	• hamarthritis n. Generalized arthritis, affecting all the joints. • HAMARTHRITIS n. gout in all the joints.
HEMERYTHRINS	• hemerythrins n. Plural of hemerythrin. • HEMERYTHRIN n. an iron-containing respiratory pigment in the blood of various chiefly marine invertebrates.
MITHRIDATISE	• mithridatise v. (UK) Alternative form of mithridatize. • MITHRIDATISE v. to acquire immunity to a poison acquired by taking gradually increased doses of it, also MITHRIDATIZE.
MITHRIDATISM	• mithridatism n. The practice of gradually ingesting successively greater amounts of a poison in order to build immunity. • MITHRIDATISM n. immunity to poison by taking increasingly large doses.
MITHRIDATIZE	• mithridatize v. (US) To make immune to a poison by administration of gradually increasing doses. • MITHRIDATIZE v. to acquire immunity to a poison acquired by taking gradually increased doses of it, also MITHRIDATISE.
PANARTHRITIS	• panarthritis n. (Medicine) arthritis in all of the joints. • panarthritis n. (Medicine) inflammation of all the structures of a joint. • PANARTHRITIS n. arthritis of all joints of body, or of the whole of one joint.
SPENDTHRIFTS	• spendthrifts n. Plural of spendthrift. • SPENDTHRIFT n. one who spends his money recklessly.
THRIFTLESSLY	• thriftlessly adv. In a thriftless manner. • THRIFTLESS adv. lacking usefulness or worth.
THRIVINGNESS	• thrivingness n. The quality or condition of something or sometone who thrives; prosperity; growth. • THRIVINGNESS n. the state of being thriving.
TYROTHRICINS	• tyrothricins n. Plural of tyrothricin. • TYROTHRICIN n. an antibiotic mixture consisting chiefly of tyrocidine and gramicidin and used topically especially against gram-positive bacteria.
UNTHRIFTIEST	• unthriftiest adj. Superlative form of unthrifty: most unthrifty. • UNTHRIFTY adj. not thrifty.
UNTHRIFTYHED	• UNTHRIFTYHED n. (Spenser) unthriftiness, also UNTHRIFTYHEAD.
URETHRITIDES	• urethritides n. Plural of urethritis. • URETHRITIS n. inflammation of the urethra.
URETHRITISES	• URETHRITIS n. inflammation of the urethra.

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: 71 words
Scrabble in French: 9 words
Scrabble in Spanish: no word
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: 2 words

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