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 There are 3 twelve-letter words containing F, H, 2I and 2O| ICHNOFOSSILS | • ichnofossils n. Plural of ichnofossil. • ICHNOFOSSIL n. a fossil footprint.
 |  | MOSQUITOFISH | • mosquitofish n. Any of several small fish that feed on mosquitoes, but especially those of the genus Gambusia. • MOSQUITOFISH n. a species of freshwater fish, native to the southeastern US.
 |  | PHOTOFISSION | • photofission n. (Nuclear physics) Nuclear fission as the result of the absorption of a gamma ray or other high-energy photon. • photofission v. (Nuclear physics) To undergo, or cause to undergo, photofission.
 • PHOTOFISSION n. nuclear fission induced by gamma rays.
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 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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