Which
welch (used der endings)
Welcher mann
Where
wo
Where from
woher
where to
wohin
what about
What are you talking about?
worüber
Worüber sprechst du
Whose (horse)
Wessen pferd
What
Was
How
Wie
Why
Warum, wieso
Who
Wer
Who to?
Who are you writing to?
Wem schreibst du
Whom do you know?
Wen kennst du?
what with?
What do we pay for the food with?
Womit
Womit bezahlen wir das essen?
how much
wie viel
what for
what is it for
wofür ist das?