tranquilidad
From LSJ
Νέµουσι δ' οἴκους καὶ τὰ ναυστολούµενα ἔσω δόµων σῴζουσιν, οὐδ' ἐρηµίᾳ γυναικὸς οἶκος εὐπινὴς οὐδ' ὄλβιος → They manage households, and save what is brought by sea within the home, and no house deprived of a woman can be tidy and prosperous
Spanish > Greek
γαλήνη, εἰρήνη, τὸ εἰρηναῖον, τὸ ἀμέριμνον, τὸ ἀνενόχλητον, τὸ ἀνεπίβουλον, τὸ ἀτρεμές, τὸ ἄσαλον, ἀμεριμνία, ἀνοχλησία, ἀοχλησία, ἀπραγία, ἀπραγμοσύνη, ἀρρεψία, ἀσφάλεια, ἀτρεμία, ἀφίημι, ἄνεσις, ἔασις