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I'm looking for a word describing the sharing of an object (for example a letter) by other objects (for example words) such as:

  • The B in Gödel, Escher, Bach: An Eternal Golden Braid as shared on the 3-dimensional ambigram on the book's cover.
  • The A in this game of Scrabble.
  • The I shared by WIKI and IGOR in this crossword puzzle.
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I wish I could give this question infinitive votes and favorites... – Phonics The Hedgehog Aug 13 '11 at 19:23

In crossword lingo, a shared letter is "doubly checked". There are instances where the letter might be shared with more than two clues, as the circled letters in this puzzle, and they would be "triply checked", or "quadruply checked", etc.

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That is a fitting answer to the crossword and Scrabble part, but the GEB:EGB example was really the reason I asked and I don't feel like “doubly checked” is descriptive of that — there may yet be a better word! – Iceland_jack Aug 15 '11 at 16:25
@Iceland_jack: I agree. – wfaulk Aug 15 '11 at 16:32

You would be hard-pressed to find an answer that is "one key to every lock", but the word that you could be looking for is "overlapping" or "Intersecting" words.

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