nopeilla
Nopeilla is a Finnish inflection of the adjective nopea, meaning fast or quick. It is the plural adessive form, used to describe multiple nouns in the adessive case. As a grammatical form, nopeilla does not carry a separate lexical meaning beyond the base adjective; its function is to modify a head noun in phrases such as those describing location, state, or manner with several items.
In practice, nopeilla appears in phrases where the head noun is in the adessive plural. Examples include
Notes on use: nopeilla must accompany a head noun; it cannot stand alone as a complete word.
See also: Finnish grammar, Adjective declension in Finnish, Adessive case, Finnish case system.