20 entries under noun topic. ×

13
reciprocal altruism(expression, form, quality, type)
11
charity(quality, generosity, benevolence, philanthropy)
8
biological altruism(expression, form, type, kind)
7
being altruism(expression, form, type, kind)
7
benevolence(quality, generosity, charity, philanthropy)
7
group-based altruism(expression, form, type, kind)
7
group altruism(expression, form, type, kind)
7
human species altruism(expression, form, type, kind)
7
interaction-based altruism(expression, form, type, kind)
7
kin altruism(expression, form, type, kind)
7
life altruism(expression, form, type, kind)
7
nepotistic altruism(expression, form, type, kind)
7
overall altruism(expression, form, type, kind)
7
sentience altruism(expression, form, type, kind)
6
mutualism(form, type, kind, species)
6
self-interest(form, type, kind, species)
3
pay it forward(expression, help, favor, need)
2
empathy(concern, care, attention, generosity)
2
Mother Teresa(expression, kindness, unselfishness, generosity)
2
green-beard effect(expression, form, biology, kind)
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APASmart Define. (2016). altruism thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/altruism/thesaurus/narrower
ChicagoSmart Define. 2016. "altruism thesaurus" https://smartdefine.org/altruism/thesaurus/narrower (accessed September 30, 2026).
HarvardSmart Define 2016, altruism thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/altruism/thesaurus/narrower>.
MLASmart Define. "altruism thesaurus" 23 March 2016. Web. 30 September 2026. <https://smartdefine.org/altruism/thesaurus/narrower>