18
brotherly(adjective, friendly, friendship, benevolence, kindred)
14
friendly(adjective, friendship, benevolence, concord, brotherly)
6
amicable(adjective, friendly, friendship, brotherly)
6
congenial(adjective, concord, brotherly)
6
intimate(adjective, friendly, brotherly, chummy)
6
sisterly(adjective, benevolence, kindred)
4
affectionate(adjective, friendly, brotherly)
4
akin(adjective, similar, linked, relevant, connected)
4
biovular
4
bosom
4
brotherlike
4
fatherly(adjective, benevolence, kindred)
4
harmonious(adjective, friendship, concord)
4
neighborly(adjective, friendly, friendship, brotherly)
4
related(adjective, linked, connected, associated, correlated)
4
sympathetic(adjective, friendly, friendship, brotherly)
4
thick(adjective, friendly, brotherly, chummy)
3
allied(adjective, similar, linked, relevant, connected)
3
class
3
cordial(adjective, friendly, friendship, brotherly)
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APASmart Define. (2015). fraternal thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fraternal/thesaurus/synonyms
ChicagoSmart Define. 2015. "fraternal thesaurus" https://smartdefine.org/fraternal/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, fraternal thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fraternal/thesaurus/synonyms>.
MLASmart Define. "fraternal thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/fraternal/thesaurus/synonyms>