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There are 6 twelve-letter words containing L, M, 2N, 2O, P and R

MELANOTROPINmelanotropin n. (Endocrinology, biochemistry) Synonym of melanocyte-stimulating hormone.
MELANOTROPIN n. a hormone secreted by the pituitary gland which stimulates the production of melanin by melanocytes.
MEROPLANKTONmeroplankton n. (Biology) Any organism that spends part of its life-cycle (especially the larval stage) as plankton.
MEROPLANKTON n. plankton consisting of certain larvae that do not spend all their life as plankton.
NONPETROLEUMnonpetroleum adj. (Of fuel) Not petroleum-based, not containing petroleum.
NONPETROLEUM adj. not derived from petroleum.
PROLEGOMENONprolegomenon n. (Usually in the plural) A prefatory discussion; a formal essay or critical discussion serving to introduce…
PROLEGOMENON n. prefatory remarks; specifically, a formal essay or critical discussion serving to introduce and interpret an extended work.
PROLONGMENTSprolongments n. Plural of prolongment.
PROLONGMENT n. the act of prolonging.
PRONOMINALLYpronominally adv. (Linguistics) In a pronominal manner; as a pronoun.
PRONOMINAL adv. of or like a pronoun.

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: 24 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: 8 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 9 words


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