15-Letter Words Matching __T_N__________

There are 14 15-letter words that match __T_N__________. 6 are common words, such as ATTENTIVENESSES and EXTENSIVENESSES. A rarer one is RETINOBLASTOMAS. 4 words contain a doubled letter.

Full list 14

attentivenessesextensivenessesintangibilitiesintensificationintensivenessesretentivenessesactinochemistryantinationalistextendabilitiesextensibilitiesextinguishmentslatensificationpatentabilitiesretinoblastomas

About this list

Words
14 (6 common words)
Common example
attentivenesses
Rare example
retinoblastomas
Doubled letters
4
Ending in S
10

Questions

How many 15-letter words matching __t_n__________ are there?

14. 6 of them are common words.

What is a common example?

ATTENTIVENESSES is among the common words in this set.