칭찬(ching-chan, chingchan)
Acknowledging and praising someone's good qualities or actions
When to use
Giving praise, Encouraging, Expressing gratitude
The nuance
Use 칭찬 when expressing positive evaluation or encouragement, typically referring to someone's strengths or good deeds.
건의(geon-ui, geonui)
Identifying problems or areas for improvement and making suggestions or proposals
When to use
Making improvement suggestions, Pointing out problems, In meetings or reports
The nuance
Use 건의 when making suggestions or proposals aimed at improvement or change, often pointing out issues or shortcomings with potential solutions.