One such word is "Idiot", although there may be others.*** inion
Icing
adele
Four_letter_words_that_have_the_same_letter_for_the_first_and_third
hymn
Bern (Switzerland)
array
The Alamo
there are 26 letters in thealphalbet the third letter is C
empty
pemmican
Paris
Square ... although the third letter is 'u'
shrimp