This Rule is just a bit tricky, so read on carefully!
This Rule applies to those words in English with two or more syllables that end in
To translate them into Spanish, we will substitute the last two letters of the English ending with
Thus, the English word casually is the Spanish word casualmente.
However (here's the kicker), if the English word ends in ...cally (as in automatically) we keep the "c" and substitute ...ally with "amente" and the Spanish translation becomes automaticamente.
Here are some Examples