14-Letter Words Matching _____T____O___

There are 18 14-letter words that match _____T____O___. 4 are common words, such as CLAUSTROPHOBIA and CLAUSTROPHOBIC. A rarer one is SPOROTRICHOSIS. In this set, C is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 18

claustrophobiaclaustrophobiccommitteewomancommitteewomendiverticulosesdiverticulosisexophthalmosesillustrationalthyrotoxicosesthyrotoxicosischemotaxonomicclaustrophobescomputerphobescomputerphobiacomputerphobicecocatastrophesporotrichosessporotrichosis

About this list

Words
18 (4 common words)
Common example
claustrophobia
Rare example
sporotrichosis
Doubled letters
3
Ending in S
9
Most frequent letter
C (16)

Questions

How many 14-letter words matching _____t____o___ are there?

18. 4 of them are common words.

What is a common example?

CLAUSTROPHOBIA is among the common words in this set.