Aktiivisia
Aktiivisia is the plural partitive form of the Finnish adjective aktiivinen, meaning "active." In Finnish, adjectives decline to agree with the nouns they modify in number and case, and the partitive plural form commonly appears before plural nouns when the noun is in the partitive case. The form aktiivisia is typical for adjectives ending in -inen when used with a plural noun in partitive.
In practice, aktiivisia is used to describe "some active [ones]" as part of an indefinite quantity or
Morphologically, the base adjective aktiivinen has a nominative plural form aktiiviset. The corresponding partitive plural form
Etymology and related terms: Aktiivinen is a Finnish formation meaning "active," derived from the root related