kontaktiin
Kontaktiin is the illative singular form of the Finnish noun kontakti, meaning contact, connection, or contact information. The illative case in Finnish expresses motion toward or entry into something, so kontaktiin literally means “into contact” or “to contact.”
Kontakti as a loanword: The noun kontakti comes from the English word contact, via the Swedish form
Usage: In everyday Finnish, the common way to express making contact is the verb phrase ottaa yhteyttä