Solution:
The words are hidden horizontally, vertically, and diagonally. Here are the 15 words found:
- WOHNUNG (Apartment/Living) - Horizontal, Row 1
- KÜCHE (Kitchen) - Horizontal, Row 1
- FENSTER (Window) - Horizontal, Row 7
- STUHL (Chair) - Horizontal, Row 11
- TISCH (Table) - Horizontal, Row 10
- TÜR (Door) - Horizontal, Row 6
- BETT (Bed) - Diagonal, starting Row 9, Col 9
- SCHRANK (Closet/Cabinet) - Diagonal, starting Row 8, Col 10
- BAD (Bath) - Horizontal, Row 5
- ZIMMER (Room) - Horizontal, Row 4
- ESSEN (Eat/Meal) - Diagonal, starting Row 7, Col 1
- SOFA (Sofa) - Diagonal, starting Row 1, Col 10
- LAMPE (Lamp) - Vertical, Column 12
- MÖBEL (Furniture) - Horizontal, Row 8
- TOILETTE (Toilet) - Horizontal, Row 11
Answer: The 15 words are WOHNUNG, KÜCHE, FENSTER, STUHL, TISCH, TÜR, BETT, SCHRANK, BAD, ZIMMER, ESSEN, SOFA, LAMPE, MÖBEL, TOILETTE.