Profanity in Finnish is used in the form of intensifiers, adjectives, adverbs and particles, and is based on varying taboos, with religious vulgarity being very prominent.
[1] It often uses aggressive mood which involves omission of the negative verb ei while implying its meaning with a swear word.
[2] Most words in Finnish can be used euphemistically in place of profanity by preceding it with voi (an interjection meaning "oh!
In general, the etymology of Finnish swears can be traced either from these formerly religious words or from ancient Finnish words involving excretion or sexual organs or functions.
[2] In context of other Nordic countries, Finns rank second, behind Sweden, when it comes to frequency of using profanity.