- mutuality, mutualness - a reciprocality of sentiments; "the mutuality of their affection was obvious"
--1 is a kind of reciprocality, reciprocity
- mutuality, interdependence, interdependency - a reciprocal relation between interdependent entities (objects or individuals or groups)
--2 is a kind of reciprocality, reciprocity
--2 has particulars:commensalism; parasitism; symbiosis, mutualism; sharing; sharing