Essive / Olev

The Essive/Olev represents "as, like"

Add na to the genitive form

[as who?]	[as what?]
kellena?	millena?

The following four nouns are declined in the Essive/Olev case:

Book	Room	Bridge	Boat
raamatuna	toana	sillana	paadina

Examples

Lapsena oli ta ilus.	As a child she was beautiful.
Mu vend töötab arstina.	My brother works as a doctor.