13 baby names with a similar sound and feel to Kaigen.
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"dawn, sunrise"
"victorious protection (via Sigmund)"
"noble, good"
"variant of Vernon: alder grove, spring-like"
"short for Buckminster or Buchanan"
"east wind"
"the protective hand, guardian counselor"
"dearly beloved"
"narrow strait (base: Kyle)"
"From the homestead of Aegen; Old English place-name surname"
"from the Bilt (a hilly area near Utrecht, Netherlands)"
"Fern meadow; fern clearing"
"Son of Claus (victory of the people); surname used as a given name"