The word "chromest" doesn't exist in the English language. However, assuming that the word intended is "chrome", there are several synonyms for it. One synonym is "chromium", which is the metallic element that gives chrome its shine. Another is "silver", as chrome often resembles the color of silver. "Polished" and "shiny" can also be used as synonyms for chrome, as these adjectives describe the way chrome often appears. Other synonyms include "lustrous", "glistening", and "gleaming", all of which describe the bright and reflective quality that is typical of chrome surfaces.