ilmaisia
Ilmaisia is the plural partitive form of the Finnish adjective ilmainen, meaning free of charge or gratis. It is used to describe nouns in the partitive case to indicate that the items or services are provided without payment. In Finnish, adjectives agree with the noun they modify in number and case, so ilmainen becomes ilmaisia when used with plural nouns in the partitive.
Ilmaisia appears most often in phrases such as ilmaisia näytteitä (free samples), ilmaisia ohjelmia (free software
Grammatical notes include that ilmaisia is the plural partitive form and is used with plural or mass