14 baby names with a similar sound and feel to Rainbow.
You searched for names like
"heart"
"joined, attached"
"golden, the golden one"
"fairy child"
"harmony, little rock"
"bridge keeper, lives near a bridge"
"gift of God"
"far-sighted"
"fairy queen, princess (from Saint Tatiana tradition)"
"turtle; symbol of longevity and patient wisdom"
"skilled craftsperson, artisan"
"Ever (always or eternal) plus Lea (meadow); eternal meadow"
"fair-haired one from the clearing"