15-Letter Words Matching __O____N_______

There are 19 15-letter words that match __O____N_______. 6 are common words, such as BIOTECHNOLOGIES and GEOENGINEERINGS. A rarer one is PHOTOSENSITIZER. In this set, I is the most frequent open letter (19 words). 4 words contain a doubled letter.

Full list 19

biotechnologiesgeoengineeringsneocolonialismsneocolonialistsphotofinishingsphotosynthesizebioengineeringsbioluminescencebiotechnologistbroadmindednessgeochronologistphotoconductionphotosensitizedphotosensitizescrosslinguisticgeochronologiesphotoconductivephotoionizationphotosensitizer

About this list

Words
19 (6 common words)
Common example
biotechnologies
Rare example
photosensitizer
Doubled letters
4
Ending in S
9
Most frequent letter
I (19)

Questions

How many 15-letter words matching __o____n_______ are there?

19. 6 of them are common words.

What is a common example?

BIOTECHNOLOGIES is among the common words in this set.