つ
 
く
 
づ
 
く

adverb, adverb taking the と particle

Usually written with kana alone, onomatopoeic or mimetic word.
  1. deeply, keenly, severely, completely, utterly.
  2. intently, carefully, closely, attentively.

Variations

Pronunciation Kanji Kana Is Common
 
つ
 
く
 
づ
 
く
つくづく ✔
つくづく
熟
熟 つくづく
つくつく
熟
熟 つくつく
つくずく
熟
熟 つくずく
つくづく
熟熟
熟熟 つくづく
つくつく
熟熟
熟熟 つくつく
つくずく
熟熟
熟熟 つくずく
つくづく
熟々
熟々 つくづく
つくつく
熟々
熟々 つくつく
つくずく
熟々
熟々 つくずく