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List of 12-letter words containing

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There are 20 twelve-letter words containing A, E, F, 2O, P and T

FLAVOPROTEINflavoprotein n. (Biochemistry) any of a group of enzymes, containing flavin, that act as dehydrogenases.
FLAVOPROTEIN n. a protein which serves as an electron carrier in the electron transfer chain.
FOOTPLATEMANfootplateman n. (UK, rail transport) A railway worker who is either a locomotive engineer or a fireman.
footplate␣man n. The engineer, or driver of a locomotive.
FOOTPLATEMAN n. a train driver or assistant.
FOOTPLATEMENfootplatemen n. Plural of footplateman.
footplate␣men n. Plural of footplate man.
FOOTPLATEMAN n. a train driver or assistant.
FORETOPMASTSforetopmasts n. Plural of foretopmast.
FORETOPMAST n. the mast above the foretop platform.
PERFOLIATIONPERFOLIATION n. the state of being perfoliate.
PERFORATIONSperforations n. Plural of perforation.
PERFORATION n. the act of perforating.
PERFORMATORYperformatory adj. Synonym of performative.
PERFORMATORY adj. of a statement or verb that itself constitutes the action described, also PERFORMATIVE.
PHOTOFLASHESphotoflashes n. Plural of photoflash.
PHOTOFLASH n. a photographic flash.
PREFLORATIONprefloration n. (Botany) The arrangement (vernation) of floral parts in a bud.
PREFLORATION n. the manner in which the petals and sepals are folded in the flower-bud.
PREFOLIATIONprefoliation n. (Botany) Vernation (arrangement within a bud) of leaves.
PREFOLIATION n. the manner in which the leaf is folded within the leaf bud, vernation.
PREFORMATIONpreformation n. Prior formation.
preformation n. (Biology, historical) The theory that organisms are fully developed in the form of an egg or seed, and…
PREFORMATION n. previous formation.
PROFESSORATEprofessorate n. Professorship.
PROFESSORATE n. the office of a professor.
PROFESSORIATprofessoriat n. Professors in general.
PROFESSORIAT n. the body of college and university teachers at an institution or in society, also PROFESSORIATE.
PUFTALOONIESPUFTALOONIES n. (Australian) a type of fried cake, eaten hot with jam, honey or sugar, also PUFFTALOONAS, PUFTALOON.
SHATTERPROOFshatterproof adj. Resistant to shattering; difficult to break.
shatterproof v. (Transitive) To make resistant to shattering.
SHATTERPROOF adj. proof against shattering.
TEASPOONFULSteaspoonfuls n. Plural of teaspoonful.
TEASPOONFUL n. the contents of a teaspoon.
TEASPOONSFULteaspoonsful n. Plural of teaspoonful.
TEASPOONFUL n. the contents of a teaspoon.
WATERPROOFEDwaterproofed adj. Having been made waterproof.
waterproofed v. Simple past tense and past participle of waterproof.
WATERPROOF v. to make waterproof.
WATERPROOFERwaterproofer n. One who, or that which, makes waterproof.
WATERPROOFER n. one who waterproofs.
WEATHERPROOFweatherproof adj. Capable of resisting damage caused by the weather.
weatherproof v. (UK) To make something resistant to damage caused by the weather.
WEATHERPROOF n. proof against the weather.

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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