Some words that start with M and include a letter J are:
jammed, jasmine
Words that start with J and end with M are jam, jetsam, and journalism.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern J-MJ-M-. That is, seven letter words with 1st letter J and 3rd letter M and 4th letter J and 6th letter M. In alphabetical order, they are: jimjams
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern JIMJ-M. That is, six letter words with 1st letter J and 2nd letter I and 3rd letter M and 4th letter J and 6th letter M. In alphabetical order, they are: jimjam
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern --J-MM---. That is, nine letter words with 3rd letter J and 5th letter M and 6th letter M. In alphabetical order, they are: unjamming
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern J-M-MA-. That is, seven letter words with 1st letter J and 3rd letter M and 5th letter M and 6th letter A. In alphabetical order, they are: jemimas
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A---J-M. That is, seven letter words with 1st letter A and 5th letter J and 7th letter M. In alphabetical order, they are: antijam
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern J---I-M. That is, seven letter words with 1st letter J and 5th letter I and 7th letter M. In alphabetical order, they are: jujuism
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern M--J-I-. That is, seven letter words with 1st letter M and 4th letter J and 6th letter I. In alphabetical order, they are: misjoin
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern M--A--J-. That is, eight letter words with 1st letter M and 4th letter A and 7th letter J. In alphabetical order, they are: maharaja
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -A-J---M-. That is, nine letter words with 2nd letter A and 4th letter J and 8th letter M. In alphabetical order, they are: marjorams
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern M---J---A. That is, nine letter words with 1st letter M and 5th letter J and 9th letter A. In alphabetical order, they are: marijuana