そ
 
わ
 
そ
 
わ

adverb, adverb taking the と particle, takes する

Onomatopoeic or mimetic word.
  1. restlessly, nervously, uneasily, in a fidget.

Variations

Pronunciation Kanji Kana Is Common
 
そ
 
わ
 
そ
 
わ
そわそわ ✔
 
ソ
 
ワ
 
ソ
 
ワ
ソワソワ