17 baby names with a similar sound and feel to Theretha.
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"modern coinages with no fixed etymology"
"little warrior, dedicated to Mars"
"lilac, bluish"
"bare hill"
"joyful round song"
"spear ruler"
"variant of diminutive feminine names"
"From the north; a northerner"
"God will increase; from a wooded valley"
"Variant of Joan/Joanne, from Hebrew Yohanan meaning God is gracious..."
"Island (from the Scottish island of Tiree)"
"elaboration of Audrey with French -ene suffix"
"born in spring (from Latin verna variant)"
"spear"
"God is gracious"
"the dawn, daybreak"
"joy, bliss"