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There are 14 fifteen-letter words containing I, L, 3O, P, R and Y

ANTHROPOBIOLOGYanthropobiology n. Bioanthropology.
ANTHROPOBIOLOGY n. the study of human biology.
CRYPTOZOOLOGIESCRYPTOZOOLOGY n. the study of and search for animals and esp. legendary animals.
CRYPTOZOOLOGISTcryptozoologist n. (Cryptozoology) One who studies cryptozoology.
CRYPTOZOOLOGIST n. one who studies cryptozoology.
LEPIDOPTEROLOGYlepidopterology n. (Biology, zoology, entomology) The scientific study of butterflies and moths (the Lepidoptera).
lepidopterology n. Lepidoptery, (the hobby of butterfly collecting).
LEPIDOPTEROLOGY n. the study of butterflies and moths.
MICROMORPHOLOGYmicromorphology n. (Biology, mineralogy, soil science) The fine-level structures or morphology of an organism, mineral…
micromorphology n. Microstructure.
MICROMORPHOLOGY n. the microscopic structure of a material, as a mineral or a biological cell, aka microstructure.
MICROSPOROPHYLLmicrosporophyll n. A leaflike organ that bears one or more microsporangia (contrast megasporophyll or macrosporophyll).
MICROSPOROPHYLL n. a specialised leaf bearing or subtending one or more microsporangia.
MORPHOLOGICALLYmorphologically adv. With regard to morphology.
MORPHOLOGICAL adv. relating to morphology, also MORPHOLOGIC.
NEUROPHYSIOLOGYneurophysiology n. (Physiology, neuroscience) The branch of physiology that deals with the nervous system.
NEUROPHYSIOLOGY n. the physiology of the nervous system.
OVOVIVIPAROUSLYovoviviparously adv. In an ovoviviparous manner.
OVOVIVIPAROUS adv. producing eggs which are hatched in the parent's body.
PHOSPHORYLATIONphosphorylation n. (Biochemistry) the process of transferring a phosphate group from a donor to an acceptor; often catalysed by enzymes.
PHOSPHORYLATION n. the process of phosphorylating a chemical compound.
PHOTOTROPICALLYphototropically adv. In a phototropic manner.
PHOTOTROPIC adv. relating to phototropism, movement directed by light.
PROPORTIONALITYproportionality n. (Uncountable) the property of being proportional.
proportionality n. (Uncountable) the principle that government action ought to be proportional to the ends achieved (e…
proportionality n. (Countable) the degree to which something is in proportion.
PROPORTIONATELYproportionately adv. In a proportionate manner; with due proportion; proportionally.
PROPORTIONATE adv. in proportion.
PROPOSITIONALLYpropositionally adv. In a propositional manner.
PROPOSITIONAL adv. of the nature of a proposition.

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: 154 words
  • Scrabble in French: 2 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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