15-Letter Words Matching ____________OR_

There are 23 15-letter words that match ____________OR_. 7 are common words, such as MICROPROCESSORS and MULTIPROCESSORS. A rarer one is TURBOGENERATORS. In this set, T is the most frequent open letter (21 words). 7 words contain a doubled letter.

Full list 23

microprocessorsmultiprocessorsnoncontributorynoninflammatoryprocrastinatorsprognosticatorssuperconductorsdifferentiatorsdissatisfactoryexcommunicatoryinfundibuliformnitrochloroformprocrastinatoryprognosticatorybronchodilatorscoinvestigatorsdecontaminatorsexcommunicatorsmicroprojectorspoststimulatoryretroreflectorsthermoreceptorsturbogenerators

About this list

Words
23 (7 common words)
Common example
microprocessors
Rare example
turbogenerators
Doubled letters
7
Ending in S
14
Most frequent letter
T (21)

Questions

How many 15-letter words matching ____________or_ are there?

23. 7 of them are common words.

What is a common example?

MICROPROCESSORS is among the common words in this set.