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 There are 6 twelve-letter words containing IOF| BIOFEEDBACKS | • biofeedbacks n. Plural of biofeedback. • BIOFEEDBACK n. a technique for learning control of autonomic body functions in response to monitoring by electronic instruments such as an electrocardiograph. |  | BIOFLAVONOID | • bioflavonoid n. Flavonoid. • BIOFLAVONOID n. vitamin P, a vitamin found in citrus fruit, blackcurrants and rosehips, aka citrin. |  | CRANIOFACIAL | • craniofacial adj. (Medicine) Pertaining to the cranium and face, as with craniofacial surgery. • CRANIOFACIAL adj. of, relating to, or involving both the cranium and the face. |  | SEMIOFFICIAL | • semiofficial adj. Alternative spelling of semi-official. • semi-official adj. Having some degree of official authority. • SEMIOFFICIAL adj. having some official authority or standing. |  | TIBIOFIBULAE | • tibiofibulae n. Plural of tibiofibula. • TIBIOFIBULA n. a bone esp. in frogs and toads that is formed by a fusion of the tibia and fibula. |  | TIBIOFIBULAS | • tibiofibulas n. Plural of tibiofibula. • TIBIOFIBULA n. a bone esp. in frogs and toads that is formed by a fusion of the tibia and fibula. |  
 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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