13-Letter Words Matching ___DR________

There are 16 13-letter words that match ___DR________. 5 are common words, such as HUNDREDWEIGHT and QUADRILATERAL. A rarer one is QUADRUPLICITY. In this set, I is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 16

hundredweightquadrilateralquadriplegiasquadriplegicsquadruplicatequadraticallyquadrenniallyquadrillionthquadripartitedendrologicaldendrologistsquadraphonicsquadriphonicsquadrivalentsquadrumviratequadruplicity

About this list

Words
16 (5 common words)
Common example
hundredweight
Rare example
quadruplicity
Doubled letters
3
Ending in S
6
Most frequent letter
I (16)

Questions

How many 13-letter words matching ___dr________ are there?

16. 5 of them are common words.

What is a common example?

HUNDREDWEIGHT is among the common words in this set.