恺 (w)

(kǎi) joyful; kind

恺弟 (w)

(kǎitì) variant of 愷悌|恺悌[kai3 ti4]

恺彻 (w)

(kǎichè) variant of 愷撒|恺撒, Caesar (emperor) used by Yan Fu 嚴復|严复

恺悌 (w)

(kǎitì) happy and easygoing; friendly

恺撒 (w)

(kǎisǎ) Caesar (name); Gaius Julius Caesar 100-42 BC; by extension, emperor, Kaiser, Tsar