Boys' names that match with catalpa are:
1. Zi Yi, Zi Sen, Zi Nuo, Zi Yan, Zi Xin, Zi Heng, Zi Jian, Zi Yi, Zi Jia, Zi Ning, Zi Rao, Zi Xuan, Zi Fan, Zi Kun, Zi Jing, Zi Hong, Zi Bin, Zi Qing and Zi Hong.
2. Zi Jun, Zi Hao, Zi Hao, Zi Hang, Zi Yu, Zi Jian, Zi Shan, Zi Mu, Zi Ye, Zi Shuo, Zi Yan, Zi An, Zi Yi, Zi Shuo, Zi Yun, Zi Tian, Zi Cheng, Zi Wen, Zi Yao, Zi Xin and Zi Xu.
3. Zi Yu, Zi Run, Zi Zhen, Zi Yi, Zi Ming, Zi Kai, Zi Rui, Zi Mao, Zi Ming, Zi Yi, Zi Zhao, Zi Fan, Zi Ming, Zi Tai, Zi Xiang, Zi Yu, Zi Wen, Zi Wei, Zi Yue, Zi Jun, Zi Qiu, Zi Xi, Zi Jun.
4. Zi Hong, Zi Shuo, Zi Ling, Zi Yi, Weiwei, Zi Zhu, Zi Dong, Zi Cheng, Zi Hong, Zi Jiong, Zi Ling, Zi Xiao, Zi Yang, Zi Yi, Zi Zheng, Zi Cheng, Zi Last, Zi Luan, Zi Yi, Zi Ding, Zi Sang, Zi Zhang, Zi Jie, Zi Sang.
5. Zi Bo, Zi Jun, Zi Wei, Zi Cheng, Zi Di, Zi Sheng, Zi Rong, Zi Yi, Zi Jian, Zi Nuo, Shi Zi, Ting Zi, Yu Zi, Jia Zi, Yi Zi, Yi Zi, Hui Zi, Da Zi, Ke Zi, Yu Zi, Xin Zi.