Very commonNoun
- noun · noun or participle which takes suru betterment; improvement
- noun kaizen (Japanese business philosophy of continuous improvement)

改
Main reading かい on'yomi (Chinese reading)
Words written with this kanji; the label shows how the kanji is read in each word.
Very commonNoun
CommonAdverb
Very commonNoun
Very commonNoun
Very commonNoun
CommonNoun
Very commonVerb
CommonNoun
CommonNoun
CommonNoun
Very commonNoun
CommonNoun
CommonNoun
CommonNoun
Very commonNoun
CommonVerb
Very commonNoun
CommonNoun
CommonNoun
CommonNoun