14 baby names with a similar sound and feel to Nillie.
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"light, illuminated one"
"of silver, silvery"
"elf guardian, noble protector"
"Honey bee; sweet and industrious one"
"renowned warrior"
"One who tends or holds; occupational name related to tenner"
"lily, rose"
"the third month, heralding spring"
"truth"
"Supplanter"
"rose, flower"
"ancestral heritage (via Olaf)"
"from the kingdom of Lothar, from the Lorraine region"
"upright child; righteous child"