pluraaliin
Pluraaliin is the illative singular form of the Finnish noun pluraali, meaning into or toward the plural. The noun pluraali denotes the grammatical category of number known as plural and is used in linguistic and grammatical discussions to refer to plural forms rather than singular. The illative is a case that expresses movement into or toward something, and in Finnish forms it is used with a wide range of nouns to indicate direction or goal.
The form pluraaliin is created by attaching the illative suffix -iin to the stem pluraali. This follows
In practice, pluraaliin would appear in grammars, glossaries, or language-learning materials that discuss Finnish case systems