Write the plural form (flertallsformen) of each noun (substantiv)

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

foot —
year —
speech —
sand —
ocean —
crown —
war —
officer —
king —
wave —