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 There are 9 thirteen-letter words beginning with SPON| SPONDYLITIDES | • spondylitides n. Plural of spondylitis. • SPONDYLITIS n. inflammation of the vertebra.
 |  | SPONDYLITISES | • SPONDYLITIS n. inflammation of the vertebra. |  | SPONDYLOLYSES | • SPONDYLOLYSIS n. disintegration of one or more vertebrae, also SPONDYLOSIS. |  | SPONDYLOLYSIS | • spondylolysis n. (Pathology) A defect or stress fracture of the pars interarticularis of the vertebral arch. • SPONDYLOLYSIS n. disintegration of one or more vertebrae, also SPONDYLOSIS.
 |  | SPONDYLOSISES | • SPONDYLOSIS n. disintegration of one or more vertebrae. |  | SPONGIOBLASTS | • spongioblasts n. Plural of spongioblast. • SPONGIOBLAST n. any of numerous columnar epithelial cells in the brain and spinal cord that develop into neuroglia.
 |  | SPONGOLOGISTS | • spongologists n. Plural of spongologist. • SPONGOLOGIST n. one who studies sponges.
 |  | SPONTANEITIES | • spontaneities n. Plural of spontaneity. • SPONTANEITY n. the state of being spontaneous.
 |  | SPONTANEOUSLY | • spontaneously adv. In a spontaneous manner; naturally; voluntarily. • SPONTANEOUS adv. acting by its own impulse or natural law.
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 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.
 
 See this list for:English Wiktionary: 21 wordsScrabble in French: 10 wordsScrabble in Spanish: no wordScrabble in Italian: 12 wordsScrabble in German: no wordScrabble in Romanian: 15 words
 
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