14-Letter Words Matching ____O_______I_

There are 33 14-letter words that match ____O_______I_. 4 are common words, such as OSTEOARTHRITIS and OVEROPTIMISTIC. A rarer one is VULVOVAGINITIS. In this set, T is the most frequent open letter (26 words). 1 words contain a doubled letter.

Full list 33

Common words

osteoarthritisoveroptimisticphotosynthesisphotosyntheticchemosynthesischemosyntheticcyanocobalaminhistoplasmosishydrocephaloidhydrogenolysisnarcosynthesisorthochromatic
osteoarthritisoveroptimisticphotosynthesisphotosyntheticchemosynthesischemosyntheticcyanocobalaminhistoplasmosishydrocephaloidhydrogenolysisnarcosynthesisorthochromaticosteoarthriticphotorealisticpyelonephritisthyrotoxicosischemotaxonomiccycloaliphaticepizootiologicfiliopietisticglucocorticoidglycogenolysisglycogenolyticmicrometeoroidmicrosporangiaoligopsonisticonchocerciasispaedomorphosisprotoporphyrinpyelonephriticsporotrichosistreponematosisvulvovaginitis

About this list

Words
33 (4 common words)
Common example
osteoarthritis
Rare example
vulvovaginitis
Doubled letters
1
Ending in S
14
Most frequent letter
T (26)

Questions

How many 14-letter words matching ____o_______i_ are there?

33. 4 of them are common words.

What is a common example?

OSTEOARTHRITIS is among the common words in this set.