1
heredity(noun, kinship)
1
in-laws(noun, connection, relation, kin, relative)
1
kid brother
1
kinship(noun, kinship)
1
kinsperson(noun, connection, relation, kin, relative)
1
lineage(noun, kinship)
1
lovely
1
maternity(noun, kinship)
1
mother-in-law(noun, connection, relation, kin, relative)
1
motherhood(noun, kinship)
1
neice
1
next
1
nuncle
1
nunks
1
nunky
1
paternity(noun, kinship)
1
sibling
1
sis
1
sissy
1
sister-german
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APASmart Define. (2015). niece thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/niece/thesaurus/synonyms
ChicagoSmart Define. 2015. "niece thesaurus" https://smartdefine.org/niece/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, niece thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/niece/thesaurus/synonyms>.
MLASmart Define. "niece thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/niece/thesaurus/synonyms>