13-Letter Words Matching ___O_______I_

There are 49 13-letter words that match ___O_______I_. 4 are common words, such as IDIOSYNCRATIC and MONOCHROMATIC. A rarer one is XEROPHTHALMIC. In this set, C is the most frequent open letter (38 words). 7 words contain a doubled letter.

Full list 49

Common words

idiosyncraticmonochromaticmononucleosisopportunisticassociateshipautocatalysischromatolysischromoproteinchronographicendometriosisgerontocratichomochromatic
idiosyncraticmonochromaticmononucleosisopportunisticassociateshipautocatalysischromatolysischromoproteinchronographicendometriosisgerontocratichomochromatichomolographichypoglycaemiaideogrammaticmonogrammaticmonosymmetrictoxoplasmosisxerophthalmiaallopolyploidautocatalyticautopolyploidchloroplasticchromatolyticchromonematicchromosphericcolonialisticcytotaxonomicectoparasiticendolymphaticendoparasiticendopolyploidendosymbiosisendosymbioticfluorographichomoiothermichomopolymerichomoscedastichypoeutectoidlogogrammaticmonoaminergicmonomorphemicmonopsonisticserodiagnosisstromatolitictenosynovitistumorigenesisxenodiagnosisxerophthalmic

About this list

Words
49 (4 common words)
Common example
idiosyncratic
Rare example
xerophthalmic
Doubled letters
7
Ending in S
10
Most frequent letter
C (38)

Questions

How many 13-letter words matching ___o_______i_ are there?

49. 4 of them are common words.

What is a common example?

IDIOSYNCRATIC is among the common words in this set.