13-Letter Words Matching _______O____R

There are 18 13-letter words that match _______O____R. 0 are common words, such as ACCELEROMETER and ALCOHOLOMETER. A rarer one is UNDERGROUNDER. 5 words contain a doubled letter.

Full list 18

accelerometeralcoholometerdepressomotorilluminometerpneumatometerpotentiometerrefractometerrollercoastersaccharometersinistrocularhemacytometerhemocytometerhyperproducermonochromatorpyrheliometerreflectometerreinvigoratorundergrounder

About this list

Words
18 (0 common words)
Common example
accelerometer
Rare example
undergrounder
Doubled letters
5
Ending in S
0

Questions

How many 13-letter words matching _______o____r are there?

18. 0 of them are common words.

What is a common example?

ACCELEROMETER is among the common words in this set.