Yleisnimiin
yleisnimiin is the illative plural form of the Finnish noun yleisnimi, which refers to a common noun as a linguistic category (as opposed to a proper noun). The form is created from the stem yleisnimi- with the illative plural suffix -in, following regular Finnish vowel harmony and case endings. In Finnish grammar, the illative case typically marks direction into something, and in scholarly usage yleisnimiin is used when speaking about multiple common nouns as a group or when describing a movement toward that category in analysis.
In practice, yleisnimiin occurs mainly in linguistic descriptions, grammars, and terminology discussions rather than in everyday
Typical usages are found in academic sentences such as descriptions of noun classification, or in dictionaries