Hello!
Please, check the info posted in the "Cognates" Link.
Also, practise the exercises in "Suffixe Practice" and "Prefixe Practice".
Here there is the translation of the basic terms (in case you need to know):
- take away: "quitar"
- add: "añadir"
- root word: "palabra raíz", "raíz de palabra"
- beginning / start: "principio"
Be lucky!