14-Letter Words Matching __E_________R_

There are 12 14-letter words that match __E_________R_. 2 are common words, such as OCEANOGRAPHERS and PREDETERMINERS. A rarer one is PREMANUFACTURE. 2 words contain a doubled letter.

Full list 12

oceanographerspredeterminerschemoreceptorscoevolutionaryelectrocauteryelectrosurgerypiezochemistrysteeplechasersbreaststrokerselectioneererspredestinatorspremanufacture

About this list

Words
12 (2 common words)
Common example
oceanographers
Rare example
premanufacture
Doubled letters
2
Ending in S
7

Questions

How many 14-letter words matching __e_________r_ are there?

12. 2 of them are common words.

What is a common example?

OCEANOGRAPHERS is among the common words in this set.