According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 29 words with the pattern O----S--S. That is, nine letter words with 1st letter O and 6th letter S and 9th letter S. In alphabetical order, they are:
oakmosses
oarfishes
obsessors
occlusors
oddnesses
oldnesses
onenesses
ooftishes
opalesces
oppresses
orinasals
outcastes
outfishes
outgasses
outgushes
outkisses
outlashes
outnesses
outpasses
outpushes
outrushes
outwashes
outwastes
outwishes
oviposits
ovotestes
ovotestis
oxidisers
ozonisers
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A-----I-A. That is, nine letter words with 1st letter A and 7th letter I and 9th letter A. In alphabetical order, they are: asafetida
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-----A-A. That is, nine letter words with 1st letter I and 7th letter A and 9th letter A. In alphabetical order, they are: inamorata
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern AI--A----. That is, nine letter words with 1st letter A and 2nd letter I and 5th letter A. In alphabetical order, they are: airmailed
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern AI-----A-. That is, nine letter words with 1st letter A and 2nd letter I and 8th letter A. In alphabetical order, they are: airstream
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I------IS. That is, nine letter words with 1st letter I and 8th letter I and 9th letter S. In alphabetical order, they are: ixodiasis
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I----H-I-. That is, nine letter words with 1st letter I and 6th letter H and 8th letter I. In alphabetical order, they are: inukshuit
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern W--I----I. That is, nine letter words with 1st letter W and 4th letter I and 9th letter I. In alphabetical order, they are: waribashi
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern K---I---A. That is, nine letter words with 1st letter K and 5th letter I and 9th letter A. In alphabetical order, they are: kadaitcha
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A-I-F----. That is, nine letter words with 1st letter A and 3rd letter I and 5th letter F. In alphabetical order, they are: acidfreak
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern W-----A-A. That is, nine letter words with 1st letter W and 7th letter A and 9th letter A. In alphabetical order, they are: whakapapa
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-A---R--. That is, nine letter words with 1st letter I and 3rd letter A and 7th letter R. In alphabetical order, they are: inaugural
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I---I--Z-. That is, nine letter words with 1st letter I and 5th letter I and 8th letter Z. In alphabetical order, they are: italicize