syitä
Syitä is a Finnish noun meaning "reasons" or "causes" and functions as the plural form of syy in the partitive case. In Finnish, different cases and numbers have distinct forms, and syitä specifically marks an indefinite or partial quantity of reasons. The corresponding forms are syy (singular), syyt (nominative plural), syiden (genitive plural), and syitä (partitive plural).
In usage, syitä is used when the object of discussion is not a definite set of reasons
Musings on nuance: syy refers to a single cause or motive, while syyt denotes multiple causes in
Etymology and related forms: syy comes from the Finnic linguistic heritage, with cognates in related languages.