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There are 12 ten-letter words beginning with SPER

SPERMACETIspermaceti n. A wax obtained from the head of sperm whales and used to make cosmetics etc.
SPERMACETI n. a waxlike substance used in candles, ointments, etc., obtained from oil of sperm-whale, etc., also PARMACITIE.
SPERMADUCTspermaduct n. A spermatic duct.
SPERMADUCT n. a duct conveying spermatozoa, also SPERMIDUCT.
SPERMARIESspermaries n. Plural of spermary.
SPERMARY n. an organ in which sperm is formed.
SPERMARIUMSPERMARIUM n. the male germ gland, also SPERMARY.
SPERMATIALspermatial adj. Of or relating to the spermatium.
SPERMATIAL adj. of or like a spermatium, one of the motionless spermatozoids in the conceptacles of certain fungi.
SPERMATICSspermatics n. Plural of spermatic.
SPERMATIC n. a spermatic vessel.
SPERMATIDSspermatids n. Plural of spermatid.
SPERMATID n. a cell that develops directly into a spermatozoon.
SPERMATIUMspermatium n. One of the motionless spermatozoids in the conceptacles of certain fungi.
SPERMATIUM n. one of the motionless spermatozoids in the conceptacles of certain fungi.
SPERMICIDEspermicide n. A substance used for killing sperm.
SPERMICIDE n. a substance that kills sperm.
SPERMIDUCTspermiduct n. Synonym of vas deferens.
SPERMIDUCT n. a duct conveying spermatozoa, also SPERMADUCT.
SPERMOGONESPERMOGONE n. a flask-shaped structure in some fungi, also SPERMOGONIUM.
SPERRYLITEsperrylite n. (Mineralogy) An isometric-diploidal tin white mineral containing arsenic and platinum.
SPERRYLITE n. an arsenide of platinum, the only known compound of platinum occurring in nature.

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: 39 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 108 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 45 words


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