According to SOWPODS (the combination of Scrabble dictionaries
used around the world) there are 10 words with the pattern
-ARI--A--. That is, nine letter words with 2nd letter A and 3rd
letter R and 4th letter I and 7th letter A. In alphabetical order,
they are:
hariolate
marigrams
marigraph
marihuana
marijuana
parietals
parishads
variegate
varietals
variolate