According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 66 words with the pattern M---A-S. That is, seven letter words with 1st letter M and 5th letter A and 7th letter S. In alphabetical order, they are:
machans
madcaps
maenads
magians
mahmals
maidans
mallams
malmags
mammals
mangals
maniacs
mannans
manoaos
manuals
margays
marrams
matrass
matsahs
matzahs
mauvais
maydays
medials
medians
medlars
mellays
menials
mercats
mescals
messans
mezcals
middays
midways
mihrabs
mikvahs
mimbars
minbars
minyans
miseats
mishaps
miskals
mislays
missals
missays
mistals
mobcaps
moggans
mollahs
monials
moolahs
morgans
morgays
mornays
mortals
mortars
moutans
mudcaps
mudcats
muggars
mughals
mullahs
murlans
murrams
murrays
muscats
mutuals
myriads
Some seven letter words with the configuration "PR--O-N: are:prenoonpronoun
Some seven letter words with the configuration "PR-N--N" are:prenoonpronoun
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern IA-----. That is, seven letter words with 1st letter I and 2nd letter A. In alphabetical order, they are: iambics iambist
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-I--I-. That is, seven letter words with 1st letter I and 3rd letter I and 6th letter I. In alphabetical order, they are: idiotic
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A-A---I. That is, seven letter words with 1st letter A and 3rd letter A and 7th letter I. In alphabetical order, they are: acanthi
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A--I--I. That is, seven letter words with 1st letter A and 4th letter I and 7th letter I. In alphabetical order, they are: anziani
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-A--A-. That is, seven letter words with 1st letter I and 3rd letter A and 6th letter A. In alphabetical order, they are: inangas
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A-----F. That is, seven letter words with 1st letter A and 7th letter F. In alphabetical order, they are: approof
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-----F. That is, seven letter words with 1st letter I and 7th letter F. In alphabetical order, they are: infeoff
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern I---A-A. That is, seven letter words with 1st letter I and 5th letter A and 7th letter A. In alphabetical order, they are: ikebana intrada
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-IA---. That is, seven letter words with 1st letter I and 3rd letter I and 4th letter A. In alphabetical order, they are: iliacus
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern A-I---A. That is, seven letter words with 1st letter A and 3rd letter I and 7th letter A. In alphabetical order, they are: acicula adipsia arietta