The difference between Nibling and Niece
When used as nouns, nibling means the child of one's sibling or of one's sibling-in-law (in other words, one's niece or nephew), especially in the plural or as a gender-neutral term, whereas niece means a daughter of one's sibling, brother-in-law, or sister-in-law.
check bellow for the other definitions of Nibling and Niece
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Nibling as a noun (uncommon):
The child of one's sibling or of one's sibling-in-law (in other words, one's niece or nephew), especially in the plural or as a gender-neutral term.
Examples:
"synonyms: nephling"
"hypo nephew niece"
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Niece as a noun:
A daughter of one's sibling, brother-in-law, or sister-in-law; either the daughter of one's brother ("fraternal niece"), or of one's sister ("sororal niece").
Examples:
"My niece just celebrated her 15th birthday."