If you are not sure how to write a word, or how to say... just a trick: search it in GOOGLE. Just write down the words you want to test... and see the results. When it is correct... you will get lots of pages.
Sometimes the wird is right, but we are not sure if it is the right se se. Justo look for images un Google....you'll get a wide selection of uses!.
For example: port ir harbour?. Make a search!
Are you sure... how we call our classes?. Search...