havainna
Havainna is a term that can refer to several different things, primarily in the context of the Finnish language and culture. Most commonly, "havainna" is the plural genitive form of the Finnish word "havainto," which translates to "observation" or "finding." In this grammatical sense, it would be used in phrases like "tieteen havainna," meaning "of scientific observations."
Beyond its grammatical function, "havainna" is also the name of a popular Brazilian footwear brand, Havainnas.