12-Letter Words Matching ______O____R

There are 49 12-letter words that match ______O____R. 12 are common words, such as BACKGROUNDER and COLLABORATOR. A rarer one is TENDEROMETER. In this set, E is the most frequent open letter (44 words). 10 words contain a doubled letter.

Full list 49

Common words

backgroundercollaboratorcommemoratorcorroboratorgalvanometerimpersonatorinterlocutorinterrogatormagnetometerskateboarderspectrometerteleprompter
backgroundercollaboratorcommemoratorcorroboratorgalvanometerimpersonatorinterlocutorinterrogatormagnetometerskateboarderspectrometerteleprompterbrassboundercarillonneurcephalometercoldshoulderdeclinometerdensitometerelectrometerelectromotorelectrotyperextensometerextrapolatorgalactometerinclinometerincorporatorinterpolatormollycoddlernephelometerpsychrometerreciprocatorsensitometersurrejoindersynchronizeraccommodatoranthologizercodiscovererdecarbonizerextemporizerfractionatorinterlobularmythologizerolfactometerpenetrometerphotopolymerrespirometerskeletonizertellurometertenderometer

About this list

Words
49 (12 common words)
Common example
backgrounder
Rare example
tenderometer
Doubled letters
10
Ending in S
0
Most frequent letter
E (44)

Questions

How many 12-letter words matching ______o____r are there?

49. 12 of them are common words.

What is a common example?

BACKGROUNDER is among the common words in this set.