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There are 8 thirteen-letter words containing OSPERM

AGAMOSPERMIESAGAMOSPERMY n. the formation of seeds without fertilisation.
ANGIOSPERMOUSangiospermous adj. (Botany) Having seeds enclosed in a pod or other pericarp.
ANGIOSPERMOUS adj. like an angiosperm, also ANGIOSPERMAL.
CYCLOSPERMOUSCYCLOSPERMOUS adj. with the embryo bent round the endosperm.
GYMNOSPERMIESGYMNOSPERMY n. the state of being gymnospermous, having a naked seed.
GYMNOSPERMOUSgymnospermous adj. (Botany) Having seeds that are not protected in a capsule.
gymnospermous adj. (Botany) Of or pertaining to a gymnosperm.
GYMNOSPERMOUS adj. having a naked seed.
LITHOSPERMUMSlithospermums n. Plural of lithospermum.
LITHOSPERMUM n. a kind of flower.
OLIGOSPERMIASoligospermias n. Plural of oligospermia.
OLIGOSPERMIA n. the condition of having less than the normal number of spermatozoa in the semen, a cause of infertility in men.
PTERIDOSPERMSpteridosperms n. Plural of pteridosperm.
PTERIDOSPERM n. an extinct group of seed plants which bore fernlike leaves.

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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See this list for:

  • English Wiktionary: 28 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 16 words


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