10
family(noun, kind, line, classification, kin)
5
ancestors(noun, kind, group, line, house)
5
forebears(noun, kind, group, line, house)
4
lineage(noun, kind, group, line, house)
4
parents
3
forefathers
3
progenitor
2
ancestry(noun, kind, group, line, house)
2
antecedents
2
ascendants
2
descent(noun, kind, group, line, house)
2
extraction(noun, kind, group, line, house)
2
family tree(expression, idiom)
2
fathers
2
forbears
2
forerunners
2
genealogy(noun, kind, group, line, house)
2
grandfathers
2
line(noun, kind, group, house, family)
2
patriarchs
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APASmart Define. (2015). progenitors thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/progenitors/thesaurus/synonyms
ChicagoSmart Define. 2015. "progenitors thesaurus" https://smartdefine.org/progenitors/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, progenitors thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/progenitors/thesaurus/synonyms>.
MLASmart Define. "progenitors thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/progenitors/thesaurus/synonyms>