oculto
From LSJ
καὶ τὸ σιγᾶν πολλάκις ἐστὶ σοφώτατον ἀνθρώπῳ νοῆσαι → and silence is often the wisest thing for a man to heed, and often is man's best wisdom to be silent, and often keeping silent is the wisest thing for a man to heed
Spanish > Greek
ἐνδόμυχος, ἀπόκρυφος, ἀνέξοδος, αὐΐδετος, ἀείδελος, ἄδεικτος, ἐγκατακρύπτω, ἐμμύχιος, ἔγκρυφος, ἀνάκρυπτος, ἐγκρύφιος, ἐγκρυφής, ἐναπόκρυφος, ἀίδηλος, ἀφανής, ἀνέκπυστος