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There are 16 twelve-letter words containing A, E, M, 2O, P, S and U

AMPHICOELOUSamphicoelous adj. (Zoology, of vertebrae) Having both ends concave; biconcave.
AMPHICOELOUS adj. of the vertebrae of most fishes and some amphibians, concave at the anterior and posterior ends.
ANEMOPHILOUSanemophilous adj. (Botany) Pollinated by the wind.
ANEMOPHILOUS adj. pollinated by wind.
GAMOPETALOUSgamopetalous adj. (Botany) Having petals wholly or partially fused in such a way that the corolla takes the form of a…
GAMOPETALOUS adj. petals partially fused.
GAMOSEPALOUSgamosepalous adj. (Botany, of a calyx) Having united sepals.
GAMOSEPALOUS adj. with sepals partly united.
MACROPTEROUSmacropterous adj. Having long wings or fins.
MACROPTEROUS adj. having large wings or fins.
METAMORPHOUSmetamorphous adj. Metamorphic.
METAMORPHOUS adj. of or relating to metamorphosis (especially of rocks).
MONADELPHOUSmonadelphous adj. (Botany) Having all its stamens within a flower fused together at least partly by the filaments.
MONADELPHOUS adj. united by filaments into a single stamen.
MONOPETALOUSmonopetalous adj. (Botany) Having only one petal, or the corolla in one piece, or composed of petals cohering so as to…
MONOPETALOUS adj. having petals united.
MONOSEPALOUSmonosepalous adj. (Botany, of a calyx) having all sepals united.
MONOSEPALOUS adj. sepals fused.
PHAENOGAMOUSphaenogamous adj. (Botany) Having true flowers with distinct floral organs; flowering.
PHAENOGAMOUS adj. of or like a phaenogam, a flowering plant, also PHAENOGAMIC.
PROCTODAEUMSproctodaeums n. Plural of proctodaeum.
PROCTODAEUM n. the posterior portion of the alimentary canal, also PROCTODEUM.
PSEUDOMONADSpseudomonads n. Plural of pseudomonad.
PSEUDOMONAD n. a virgate plant and animal pathogen.
PSEUDORANDOMpseudorandom adj. Of a sequence of numbers, such that it has all the properties of a random sequence following some probability…
PSEUDORANDOM adj. being or involving entities (as numbers) that are selected by a definite computational process but that satisfy one or more standard tests for statistical randomness.
SOMATOPLEUREsomatopleure n. (Embryology) A fold of tissue, in the embryo of a vertebrate, from which the walls of the body and the amnion develop.
SOMATOPLEURE n. a cellular sheet in some vertebrates that develops into the internal body wall.
TEMPORANEOUStemporaneous adj. (Obsolete) temporary.
TEMPORANEOUS adj. (obsolete) lasting only a short while.
UNCOMPOSABLEuncomposable adj. Impossible to compose, or put together.
uncomposable adj. Incapable of being composed or reconciled.
UNCOMPOSABLE adj. that cannot be composed.

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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See this list for:

  • English Wiktionary: 60 words
  • Scrabble in French: 14 words
  • Scrabble in Spanish: 26 words
  • Scrabble in Italian: 4 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 9 words


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