14-Letter Words Matching ________IO____

There are 80 14-letter words that match ________IO____. 30 are common words, such as ADVENTITIOUSLY and ANESTHESIOLOGY. A rarer one is UNAFFECTIONATE. In this set, N is the most frequent open letter (69 words). 13 words contain a doubled letter.

Full list 80

Common words

adventitiouslyanesthesiologycontumaciouslydisillusioningdisputatiouslyinauspiciouslyinternationalsmalfunctioningmeretriciouslymultifariouslymultinationalsobstructionism
adventitiouslyanesthesiologycontumaciouslydisillusioningdisputatiouslyinauspiciouslyinternationalsmalfunctioningmeretriciouslymultifariouslymultinationalsobstructionismobstructionistostentatiouslyparsimoniouslypertinaciouslyprohibitionistpropositioningrambunctiouslyreapportioningreconditioningrequisitioningsacrilegiouslysegregationistsubconsciousessubconsciouslysuperciliouslytransnationalsvaingloriouslyvivisectionistabstractionismabstractionistassociationismcoevolutionarycompunctiouslydestructionistdisillusionizeelectrobiologyinquisitionistintegrationistnonfunctioningperlocutionaryphytosociologyprogressionistquadrillionthsquintillionthsrepartitioningsuppositiouslyunpropitiouslyassociationistbiconditionalscontractionarycontumeliouslycooperationistdeconditioningechocardiogramendotheliomataincommodiouslyinharmoniouslylymphangiogrammesotheliomatametafictionistmisfunctioningmispositioningneuroradiologynonantibioticsovercautioningphenylthioureaphotoperiodismposttensioningpreconsciousespreconsciouslyprerevisionistreprovisioningrepudiationistreservationistrestrictionismrestrictioniststagflationaryunaffectionate

About this list

Words
80 (30 common words)
Common example
adventitiously
Rare example
unaffectionate
Doubled letters
13
Ending in S
9
Most frequent letter
N (69)

Questions

How many 14-letter words matching ________io____ are there?

80. 30 of them are common words.

What is a common example?

ADVENTITIOUSLY is among the common words in this set.