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There are 3 thirteen-letter words beginning with OPERATIO

OPERATIONALLY• operationally adv. In an operational manner; in accordance with an operation.
• OPERATIONAL adv. of or relating to operation or to an operation.
OPERATIONISMS• operationisms n. Plural of operationism.
• OPERATIONISM n. the theory that defines scientific concepts by means of the operations used to prove or determine them, also OPERATIONALISM.
OPERATIONISTS• operationists n. Plural of operationist.
• OPERATIONIST n. an adherent of operationism.

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: 3 words
  • Scrabble in French: 1 word
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 3 words


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