12-Letter Words Matching ____O______R

There are 66 12-letter words that match ____O______R. 17 are common words, such as APPROPRIATOR and CARTOGRAPHER. A rarer one is VISCOSIMETER. In this set, E is the most frequent open letter (57 words). 11 words contain a doubled letter.

Full list 66

Common words

appropriatorcartographerchiropractorconsolidatorcorroboratorexpropriatorhagiographerlithographernonconductorpaleographerphotographerpornographer
appropriatorcartographerchiropractorconsolidatorcorroboratorexpropriatorhagiographerlithographernonconductorpaleographerphotographerpornographerprimogenitorradiographerschoolmasterstenographerturbochargercannonfoddercosmographercuckooflowerdeprogrammerethnographerevaporimeterharbormasterhydrographerimprovisatormethoxychlormicromanagermisconceivernationalizerpetrographerpredominatorratiocinatorrationalizerscenographersensorimotorsubcommandersubmoleculartrimolecularuranographeryellowhammeranthologizerbiomolecularchirographerchorographercoproprietordiscographerdispossessorhydrocrackericonographerlithotripterlithotriptormacronuclearmicrotubularmythographermythologizernoncollectornoncollinearnonconformernonmolecularphonographerphotonuclearphotopolymerreprographervideographerviscosimeter

About this list

Words
66 (17 common words)
Common example
appropriator
Rare example
viscosimeter
Doubled letters
11
Ending in S
0
Most frequent letter
E (57)

Questions

How many 12-letter words matching ____o______r are there?

66. 17 of them are common words.

What is a common example?

APPROPRIATOR is among the common words in this set.