18 baby names with a similar sound and feel to Gustavus.
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"woodland spirit"
"Rice; brightness"
"dweller on the eastern estate"
"bone-setter; from Uthman"
"beloved (Latinized form)"
"noble warrior"
"galloping horse"
"possessing grace and beauty"
"the monsoon month (Bengali tradition)"
"faith; trust; belief"
"fortunate in battle"
"strong as a bear, brave bear"
"day's light, brightness"
"Likely a variant of Gareth or Garrion; possibly meaning spear beare..."
"barrier breaker, obstacle remover"
"pleasant, agreeable"
"The letter G; an expression of surprise or emphasis"
"rock, stone"