piikkeiksi
Piikkeiksi is a Finnish translative plural form of the noun piikki, which can mean spike, thorn, or peak depending on context. The form is used to express a change of state or designation into multiple spikes, for example in descriptions of data, shapes, or phenomena that take on a spiked appearance.
In everyday language piikkeiksi is relatively specialized and most often found in scientific or technical writing.
Grammar and construction: piikkeiksi is the plural translative form of piikki. The singular translative would be