The phrase "the city of kind heart" suggests a compassionate and caring community. Synonyms for this phrase could include: 1. The benevolent city 2. The empathetic metropolis 3. The compassionate town 4. The caring urban center 5. The sympathetic municipality 6. The considerate cityscape 7. The generous city 8. The warmhearted metropolis 9. The humane community 10. The friendly hub. Each of these synonyms highlights the idea of a community that values kindness and empathy. These words can be used interchangeably to convey the same sentiment in various contexts. Overall, the synonyms emphasize the idea of a community that prioritizes kindness and compassion as a core value.