First part is just the 2nd word if there an s at the end remove it
That words are in spanish, you can use it like:
a vosotras les gusta el chocolate?
or
vosotros son muy graciosos
they are used to say you in plural, like:
you are so weird,
in form of group
Río de la Plata.
Hope this helps.
Cars??? its incorrect
cada its correct