15-Letter Words Matching ____T___O______

There are 28 15-letter words that match ____T___O______. 5 are common words, such as FLIRTATIOUSNESS and HYPOTHYROIDISMS. A rarer one is SPONTANEOUSNESS. 12 words contain a doubled letter.

Full list 28

Common words

flirtatiousnesshypothyroidismsmeritoriousnesspunctiliousnessrepetitiousnesscrystallographycounterpointingdeleteriousnessdemythologizingelectropositivesubstratospherecountermovement
flirtatiousnesshypothyroidismsmeritoriousnesspunctiliousnessrepetitiousnesscrystallographycounterpointingdeleteriousnessdemythologizingelectropositivesubstratospherecountermovementcryptozoologiescryptozoologistdemythologizersdiastereoisomerenantiomorphismenantiomorphousmountainousnessnonstationariesprestigiousnessprosthodontistsremythologizingroentgenographyroentgenologiesroentgenologistscintillometersspontaneousness

About this list

Words
28 (5 common words)
Common example
flirtatiousness
Rare example
spontaneousness
Doubled letters
12
Ending in S
16

Questions

How many 15-letter words matching ____t___o______ are there?

28. 5 of them are common words.

What is a common example?

FLIRTATIOUSNESS is among the common words in this set.