According to SOWPODS (the combination of Scrabble dictionaries
used around the world) there are 30 words with the pattern
-A-I--S-S. That is, nine letter words with 2nd letter A and 4th
letter I and 7th letter S and 9th letter S. In alphabetical order,
they are:
babirusas
basilisks
caritases
fakirisms
familisms
halitoses
halitosis
halituses
lapidists
latinises
manifests
mariposas
maximises
maximists
maximuses
nativisms
nativists
pacifisms
pacifists
patinises
salinises
sanitises
satirises
satirists
vaginoses
vaginosis
vagituses
vanitases
varicoses
varicosis