liukkaiden
Liukkaiden is a Finnish inflected form that functions as the genitive plural of the adjective liukas (slippery) when it modifies a noun in a larger noun phrase. In Finnish, adjectives agree with the nouns they modify in number and case, and the genitive plural suffix for adjectives is typically -ien. Therefore, in phrases describing multiple slippery objects in the genitive, the adjective takes the form liukkaiden, as in liukkaiden kenkien vuoksi (“because of the slippery shoes”) or liukkaiden pintojen vuoksi (“due to slippery surfaces”).
The form liukkaiden appears primarily in contexts where the speaker refers to a plural set of slippery
As a genitive plural modifier, liukkaiden does not stand alone as a noun but forms part of
liukas (the base adjective meaning slippery) and Finnish grammar on adjectives and noun phrases.