15 baby names with a similar sound and feel to Gustavus.
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"strong as a bear, brave bear"
"elf battle"
"faith; trust; belief"
"God is gracious (Irish/Hebrew origin)"
"barrier breaker, obstacle remover"
"Rice; brightness"
"day's light, brightness"
"rock, stone"
"possessing grace and beauty"
"woodland spirit"
"beloved, dear one"
"goddess of flowers and spring"
"pleasant, agreeable"
"divine protection; god-protector"
"dweller on the eastern estate"