The Dutch word "stof" has several synonyms in the English language, including "dust," "particle," "matter," and "debris." These words all relate to some form of material that is typically small and often dispersed in the air or on surfaces. Another synonym for "stof" might be "pollutant," which implies that the material in question is harmful or unwanted. Some other possible synonyms for "stof" might include "residue," "detritus," "sediment," or "emission," depending on the context. Regardless of the exact synonym used, all of these words refer to materials or substances that have some kind of impact on the environment or on human health.