käyttäytyvätkin
Käyttäytyvätkin is a Finnish word that functions as an adverb. It is the plural form of the adverb "käyttäytyvä" and carries the meaning of "behaving too" or "also behaving." The word implies a comparison or an addition to a previously mentioned behavior. It suggests that a certain action or manner of conduct is occurring in addition to something else, or that even a subject that might not typically be expected to behave in a particular way is, in fact, doing so.
The word is formed by combining the stem of the verb "käyttäytyä" (to behave) with the plural