15-Letter Words Matching _R__________O__

There are 30 15-letter words that match _R__________O__. 12 are common words, such as FRATERNIZATIONS and PREDESTINATIONS. A rarer one is TRISOCTAHEDRONS. 4 words contain a doubled letter.

Full list 30

Common words

fraternizationspredestinationspredispositionsprefabricationspressurizationspresuppositionsprocrastinatorsprognosticatorstransformationstransmigrationstransportationstrivializations
fraternizationspredestinationspredispositionsprefabricationspressurizationspresuppositionsprocrastinatorsprognosticatorstransformationstransmigrationstransportationstrivializationsergocalciferolsfructificationsprocrastinatoryprognosticatoryproprioceptionsbronchodilatorsgrandparenthoodgraphitizationspredevaluationspreponderationsprepublicationspreterminationsprettificationsprioritizationstransaminationstransvaluationstraumatizationstrisoctahedrons

About this list

Words
30 (12 common words)
Common example
fraternizations
Rare example
trisoctahedrons
Doubled letters
4
Ending in S
27

Questions

How many 15-letter words matching _r__________o__ are there?

30. 12 of them are common words.

What is a common example?

FRATERNIZATIONS is among the common words in this set.