jointly
US /ˈdʒɔɪnt.li/
UK /ˈdʒɔɪnt.li/

1.
conjuntamente, juntos
with another or others; together
:
•
They decided to work jointly on the project.
Decidieron trabajar conjuntamente en el proyecto.
•
The property is owned jointly by the two brothers.
La propiedad es propiedad conjunta de los dos hermanos.