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pen-

1.
variant of pene- before a vowel:
penannular.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Word Origin and History for pen-

Brythonic for "head;" common in place names in Cornwall and Wales (e.g. Penzance, see also Pendragon).

Online Etymology Dictionary, © 2010 Douglas Harper
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Difficulty index for pen-

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Word Value for pen

5
7
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