14-Letter Words Matching __________OR__

There are 14 14-letter words that match __________OR__. 2 are common words, such as CONQUISTADORES and PHANTASMAGORIA. A rarer one is UREDINIOSPORES. In this set, S is the most frequent open letter (13 words). 3 words contain a doubled letter.

Full list 14

conquistadoresphantasmagoriahalfpennyworthphantasmagoricspatiotemporalchlamydosporeschromatophorescontainerportscountereffortscounterreformsimprovisatorespneumatophoresspermatophoresurediniospores

About this list

Words
14 (2 common words)
Common example
conquistadores
Rare example
urediniospores
Doubled letters
3
Ending in S
10
Most frequent letter
S (13)

Questions

How many 14-letter words matching __________or__ are there?

14. 2 of them are common words.

What is a common example?

CONQUISTADORES is among the common words in this set.