Find NELIÖ, then find it again inside VINONELIÖ

NELIÖ is a square. VINONELIÖ is a diamond, and a diamond is a square set at a slant — vino means slanted, and the rest of that word is NELIÖ again, whole and unchanged. A child hunting through this grid meets the shorter word twice over, which delivers a small and useful shock: Finnish words grow at the front, and the piece you already recognise stays exactly where it was.

Alongside those two sit SUORAKULMIO, the rectangle, PALLO, a ball or sphere, and SOIKIO, the oval. Every word is listed with a drawing of its shape, so a child who has met these shapes in maths can lean on what they already have. The long one, SUORAKULMIO, turns out to be the easiest to find; the short ones need patience. Working from longest to shortest is a sensible plan and worth suggesting out loud.

Print it when shapes are already in the air — after a sorting activity, or beside a tub of shape blocks a child can pick up and turn. Pointing out NELIÖ sitting inside VINONELIÖ takes about ten seconds and hands a child a way into every long Finnish word they meet afterwards. Ask them at the end which shape name they would still recognise tomorrow; the answer is usually the compound one.