What are some eight letter words with 1st letter T and 2nd letter A and 3rd letter C and 7th letter M

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern TAC---M-. That is, eight letter words with 1st letter T and 2nd letter A and 3rd letter C and 7th letter M. In alphabetical order, they are:

tachisme
tachisms
tactisms