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11-Letter Words That Start With: PSI

There are 11 11-letter words, 1 11-letter phrase and 0 11-letter abbr's that start with PSI.

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Expand?WordSave?LengthUsagePointsType
psilophytic11
23 adjectiveadj
Valid word for Scrabble US
psilophytes11
21 nounn
noun

• any plant of the order Psilophytales: a savannah plant

psilocybins11
20 nounn
noun

• a hallucinogenic compound obtained from a mushroom

psittacotic11
17 adjectiveadj
Valid word for Scrabble US
psittacosis11
15 nounn
noun

• infectious disease of birds

• an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds

psittacines11
15 verb, nounv, n
noun

• Any bird in the order Psittaciformes: a parrot.

psittacoses11
15 nounn
noun

• infectious disease of birds

• an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds

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All 11 Letter Words

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