lennättävät
The Finnish word "lennättävät" is the third-person plural present active indicative form of the verb "lennättää". This verb means "to make fly", "to cause to fly", or "to transport by air". Therefore, "lennättävät" translates to "they make fly", "they cause to fly", or "they transport by air".
This grammatical form is used when referring to multiple subjects performing the action of causing something