ど
 
う
 
か

adverb

Usually written with kana alone.
  1. please, if you would, would you mind. Polite language.
  2. somehow or other, one way or another.
  3. whether (or not), if. As かどうか.

adverb, takes する

Usually written with kana alone.
  1. strange, (something is) wrong, (something is) off.

Variations

Pronunciation Kanji Kana Is Common
 
ど
 
う
 
か
どうか ✔
どう
如何
 
か
如何か どうか