The dnd 5eTongues spell grants any creature you touch the ability to understand any spoken language it hears. However, the target can speak in any language that it understands.
You can also read cause fear 5e spell
Attributes Of Tongues 5E Spell
|Casting time||1 Action|
|Classes||Bard, Cleric Sorcerer Warlock, Wizard|
|Material||A clay model of a Ziggurat|
|Target||The creature that you touch|