The Swedish word for window is
fönster

Translations for window and their definitions

fönster	©
1. n-n. a window

ruta
1. n-c. square, tile, box (as on a checkerboard)
2. n-c. windowpane (a piece of glass)
3. n-c. panel (single frame in a comic strip)
4. n-c. lozenge (diamond-shaped heraldic charge)
5. n-c. rue (plant of the genus Ruta)
(synonyms, vinruta)

vindöga
1. window

glugg
1. n-c. a small opening (especially in a wall or ceiling)
2. n-c. a gap between two teeth (due to a missing tooth or otherwise)
3. n-c. (colloquial) an exchangeable lens (objektiv) for an SLR camera (systemkamera)