13-Letter Words Matching ____T_____R__

There are 22 13-letter words that match ____T_____R__. 8 are common words, such as ELECTIONEERED and MOUNTAINEERED. A rarer one is SUBSTRUCTURAL. In this set, E is the most frequent open letter (19 words). 5 words contain a doubled letter.

Full list 22

electioneeredmountaineerednonstructuralplasterboardsspectacularlystratospheresstratosphericsubstructuresblastospherescounterchargeelectrophorusroentgenogramspectrometriccounterterrorelectioneererflutterboardsnonstructuredprestructuredprestructuresscratchboardssomatopleuressubstructural

About this list

Words
22 (8 common words)
Common example
electioneered
Rare example
substructural
Doubled letters
5
Ending in S
9
Most frequent letter
E (19)

Questions

How many 13-letter words matching ____t_____r__ are there?

22. 8 of them are common words.

What is a common example?

ELECTIONEERED is among the common words in this set.