puolikkaiden
Puolikkaiden is a Finnish noun form used as the genitive plural of puolikas, meaning a half. It appears in phrases that refer to the halves of multiple items or to a collection associated with halves. For example, Kakun puolikkaiden koko on sama kuin kokonaisen kakun koko translates to "The size of the cake halves is the same as the size of the whole cake," illustrating how the genitive plural marks the relation to more than one half.
In Finnish, puolikas is declined like a typical -ikas noun. The base form is puolikas; the nominative
Usage notes: puolikkaiden conveys a plural sense of “halves” and is not interchangeable with the singular form