List of 12-letter words containing •••••••

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There are 20 twelve-letter words containing I, 3O, P, R and 2T

DIPROTODONTS	• diprotodonts n. Plural of diprotodont. • DIPROTODONT n. any marsupial of the Diprotodontia, the suborder including kangaroos, wombats, etc., also DIPROTODON.
ORTHOPTEROID	• orthopteroid n. (Entomology) Any of the insects historically included in the order Orthoptera, including the cockroaches… • ORTHOPTEROID n. a member of the Orthoptera, cockroaches.
ORTHOTROPIES	• ORTHOTROPY n. the state of being orthotropic, growing along a vertical axis.
ORTHOTROPISM	• orthotropism n. The property of being orthotropic or orthotropous. • ORTHOTROPISM n. vertical growth.
OSTEOPOROTIC	• osteoporotic adj. Relating to osteoporosis. • OSTEOPOROTIC adj. relating to osteoporosis.
PHOTOTROPHIC	• phototrophic adj. (Biology) That exhibits phototrophy. • PHOTOTROPHIC adj. relating to phototropism, movement directed by light.
PHOTOTROPIES	• PHOTOTROPY n. change of colour due to wavelength of incident light.
PHOTOTROPISM	• phototropism n. (Biology) The movement of a plant towards or away from light. • PHOTOTROPISM n. movement directed by light.
POSTABORTION	• postabortion adj. After abortion (termination of pregnancy). • POSTABORTION adj. taking place after an abortion.
PROCTOLOGIST	• proctologist n. A doctor specializing in the colon, rectum, and anus; an expert in proctology. • PROCTOLOGIST n. a specialist in proctology.
PROTISTOLOGY	• protistology n. (Biology) The scientific study of protists. • PROTISTOLOGY n. the study of protists.
PROTOCOLISTS	• protocolists n. Plural of protocolist. • PROTOCOLIST n. a registrar or clerk.
PROTOHISTORY	• protohistory n. The period between prehistory and history, during which a culture or civilization has not yet developed… • PROTOHISTORY n. the study of human beings in the times that immediately antedate recorded history.
PROTONATIONS	• protonations n. Plural of protonation. • PROTONATION n. the acquisition of an additional proton.
PROTOTROPHIC	• prototrophic adj. (Biology) Of or pertaining to a prototroph or to prototrophy. • PROTOTROPHIC adj. of bacteria, feeding directly on uncombined elements.
SOMATOTROPIC	• somatotropic adj. (Physiology) That stimulates body growth. • SOMATOTROPIC adj. promoting bodily growth, also SOMATOTROPHIC.
SOMATOTROPIN	• somatotropin n. (Biology, medicine) Synonym of growth hormone. • SOMATOTROPIN n. a polypeptide growth hormone, also SOMATOTROPHIN, SOMATOTROPINE.
TROPHOBIOTIC	• trophobiotic adj. Of or pertaining to trophobiosis. • TROPHOBIOTIC adj. relating to trophobiosis, mutual exchange of nutriment in symbiosis.
TROPHOTROPIC	• trophotropic adj. Relating to trophotropy. • TROPHOTROPIC adj. related to trophotropism, direction of growth by nutritional factors.
TROPHOZOITES	• trophozoites n. Plural of trophozoite. • TROPHOZOITE n. in Protozoa, the trophic phase of an adult.

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 1Word.ws and WikWik.org.

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English Wiktionary: 67 words
Scrabble in French: 7 words
Scrabble in Spanish: 5 words
Scrabble in Italian: 36 words
Scrabble in German: no word
Scrabble in Romanian: 77 words

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