Definitions For Reduplication

The act of repeating over and again (or an instance thereof)
A word formed by or containing a repeated syllable or speech sound (usually at the beginning of the word)
The syllable added in a reduplicated word form
Repetition of the final words of a sentence or line at the beginning of the next

Is Reduplication a Scrabble Word?

Words With Friends YES

Scrabble US YES

Scrabble UK YES

English International (SOWPODS) YES

Scrabble Global YES

Enable1 Dictionary YES

Scrabble

Words with Friends

The word Reduplication is worth 18 points in Scrabble and 23 points in Words with Friends

That old-looking colonial mansion is actually a 20th-century reduplication of the original, which was destroyed many years ago
Ever since I was forced to do a reduplication of a day's work, I've been more conscientious about hitting my computer's “save” button