15-Letter Words Matching _______T_O_____

There are 55 15-letter words that match _______T_O_____. 18 are common words, such as BIDIRECTIONALLY and INSTITUTIONALLY. A rarer one is UNTRADITIONALLY. In this set, I is the most frequent open letter (52 words). 25 words contain a doubled letter.

Full list 55

Common words

bidirectionallyinstitutionallyinternationallymicrometeoritesobstructionismsobstructionistsprepositionallyprohibitionistsreapportionmentsegregationistsstraightforwardunconditionally
bidirectionallyinstitutionallyinternationallymicrometeoritesobstructionismsobstructionistsprepositionallyprohibitionistsreapportionmentsegregationistsstraightforwardunconditionallyunexceptionableunexceptionablyunexceptionallyunintentionallyunobjectionablevivisectionistscomputationallyabstractionismsabstractionistsassociationismscoeducationallycompunctionlessconjugationallyconjunctionallydysfunctionallygravitationallyinspirationallylabyrinthodontsobservationallyassociationistscephalothoracescephalothoraxescompositionallycooperationistscorticotrophinsdestructionistshistopathologicinformationallyintegrationistsmetafictionistsmicrometeoriticmicrometeoroidsneuropathologicnonelectrolytesorientationallyovercontrollingphotolithographphytopathogenicrepudiationistsreservationistsrestrictionismsrestrictionistsuntraditionally

About this list

Words
55 (18 common words)
Common example
bidirectionally
Rare example
untraditionally
Doubled letters
25
Ending in S
25
Most frequent letter
I (52)

Questions

How many 15-letter words matching _______t_o_____ are there?

55. 18 of them are common words.

What is a common example?

BIDIRECTIONALLY is among the common words in this set.