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List of 11-letter words beginning with

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There are 8 eleven-letter words beginning with PSI

PSILOCYBINS• psilocybins n. Plural of psilocybin.
• PSILOCYBIN n. a hallucinogenic drug, obtained from the Mexican mushroom Psilocybe mexicana and other mushrooms.
PSILOMELANE• psilomelane n. Any hard, black hydrous manganese oxide with variable amounts of barium and potassium.
• PSILOMELANE n. an oxide of manganese, usually with barium, etc., occurring in smooth black botryoidal masses.
PSILOPHYTES• psilophytes n. Plural of psilophyte.
• PSILOPHYTE n. any of an order of extinct plants.
PSILOPHYTIC• psilophytic adj. Relating to psilophytes.
• PSILOPHYTIC adj. of or like a psilophyte, a kind of extinct plant.
PSITTACINES• psittacines n. Plural of psittacine.
• PSITTACINE n. a member of the parrot family.
PSITTACOSES• psittacoses n. Plural of psittacosis.
• PSITTACOSIS n. contagious parrot disease, causing fever and pneumonia in humans.
PSITTACOSIS• psittacosis n. (Pathology) An infection by Chlamydia bacteria, caught from infected birds, and characterised by fever…
• PSITTACOSIS n. contagious parrot disease, causing fever and pneumonia in humans.
PSITTACOTIC• psittacotic adj. Relating to psittacosis.
• PSITTACOTIC adj. relating to psittacosis.

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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