What's the simile and what two things are being compared in. the letters stirred together like a thick, messy mush

A simile is a figure of speech that directly compares two things through the use of words such as "like" and "as." In this case, the simile being employed is "like a thick, messy mush," and the two things being compared are the letters, and the thick, messy mush. The author wants to convey the idea of the letters being illegible, or confusing.

from the count of monte cristo there are two synonyms of the word “grotto”. these words are chamber and cavern.

what excerpt? i would generally think a.