According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 29 words with the pattern I---O---S. That is, nine letter words with 1st letter I and 5th letter O and 9th letter S. In alphabetical order, they are:
icehouses
iconostas
implorers
improvers
inchoates
inclosers
incrosses
ingrooves
ingrosses
ingrowths
inodorous
insconces
introfies
introitus
intromits
isagogics
isodomons
isodomous
isogonals
isogonics
isogonies
isologous
isologues
isomorphs
isonomies
isonomous
isopodans
isopodous
isotopies
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 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 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 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 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 L-I-A----. That is, nine letter words with 1st letter L and 3rd letter I and 5th letter A. In alphabetical order, they are: laitances
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A--IZ----. That is, nine letter words with 1st letter A and 4th letter I and 5th letter Z. In alphabetical order, they are: albizzias
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 A----Y--A. That is, nine letter words with 1st letter A and 6th letter Y and 9th letter A. In alphabetical order, they are: apocrypha
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