11-Letter Words Matching ________R_N

There are 28 11-letter words that match ________R_N. 2 are common words, such as GODCHILDREN and TETRAHEDRON. A rarer one is TRANSFERRIN. In this set, O is the most frequent open letter (26 words). 5 words contain a doubled letter.

Full list 28

Common words

godchildrentetrahedronantineutronarchenteronchiropterancoelenteroncoleopterancordillerancyanohydrindiatessaronenneahedronhemielytron
godchildrentetrahedronantineutronarchenteronchiropterancoelenteroncoleopterancordillerancyanohydrindiatessaronenneahedronhemielytronheptahedronicosahedronlepidosirenmillimicronorthopteranpentahedronsynchrotronaminopterinchylomicronctenophoranhemerythrinhemosiderininterneuronneuropteranplecopterantransferrin

About this list

Words
28 (2 common words)
Common example
godchildren
Rare example
transferrin
Doubled letters
5
Ending in S
0
Most frequent letter
O (26)

Questions

How many 11-letter words matching ________r_n are there?

28. 2 of them are common words.

What is a common example?

GODCHILDREN is among the common words in this set.