115 entries under noun topic. ×

2
picture(clone, look-alike)
2
playmate(associate, companion, friend, contemporary)
2
reciprocal(companion, friend, contemporary, acquaintance)
2
right-hand man
2
second self
2
simulacrum(clone, look-alike)
2
sister
2
well-wisher(associate, companion, ally, comrade)
1
twin(match, double, companion, friend)
1
Achates
1
amigo(companion, friend, sister)
1
analog(companion, friend, contemporary, acquaintance)
1
assistant(companion, friend, contemporary, acquaintance)
1
bedmate(companion, friend, contemporary, acquaintance)
1
bosom buddy(expression, associate, companion, friend)
1
bride(companion, friend, contemporary, acquaintance)
1
china
1
chip off the old block(expression, idiom, likeness, replica)
1
classmate(associate, companion, friend, contemporary)
1
concomitant(companion, friend, contemporary, acquaintance)
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APASmart Define. (2015). alter ego thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/alter_ego/thesaurus/synonyms
ChicagoSmart Define. 2015. "alter ego thesaurus" https://smartdefine.org/alter_ego/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, alter ego thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/alter_ego/thesaurus/synonyms>.
MLASmart Define. "alter ego thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/alter_ego/thesaurus/synonyms>