Γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → The fool laughs even when there's nothing to laugh at
κώκυμα, κωκυτός, ἰαχή, ἰακχή, ἰαχά, κλαυθμός, κλαύματα, κλαυθμυρισμός, ἰάλεμος, ἰήλεμος, δάκρυμα