paperilla
Paperilla is a Finnish adverbial noun meaning "on paper" or "in theory," used to describe a situation or claim as it exists in written documentation rather than in practice. It signals that the described state may not reflect reality.
Etymology: It derives from paperi, meaning "paper," with the adessive suffix -lla, forming paperilla "on paper."
Usage: The expression is frequent in journalism, politics, business, and everyday conversation to contrast formal documentation
See also: The concept of contrasting theory and practice, and related Finnish phrases used in translation contexts.