に
 
わ
 
か
 
に

adverb

Usually written with kana alone.
  1. suddenly, abruptly, unexpectedly.

Variations

Pronunciation Kanji Kana Is Common
 
に
 
わ
 
か
 
に
にわかに ✔
にわ
俄
 
か
 
に
俄かに にわかに ✔
にわか
俄
 
に
俄に にわかに ✔