Pure is "Puro/a" and Clean is "Limpio/a"
If the object that your are describing is masculine, then you would use the 'o' ending on the adjective. If the object is feminine, then you would use the 'a' ending on the adjective.
translated "pure" into spanish is "puro" (roll the r)
you say it like this: clease boa
"Tienes que limpiar."
To clean is 'limpiar' Cleaning is 'limpiando'
You can say "Limpia debajo aquí."
Like verb is "barrer" (clean)
No me gusta la limpieza
Limpia debajo de ella.
Nuestra amistad es pura como el oro.
You might say "Espero que tu noche es limpia."
Limpiar la casa, por favor.
No limpie el cuarto de juguetes