This is interesting. Most efficient? I think Spanish ought to be higher on the ranking. - Spanish writing/reading is WYSIWYG. We write "Walk" but we read it as

This is interesting. Most efficient? I think Spanish ought to be higher on the ranking. - Spanish writing/reading is WYSIWYG. We write "Walk" but we read it as "wôk". - Link to other romance languages. Communication with Portuguese, Italian, French, etc... albeit difficult, it's not impossible. - Learning other romance languages. This one is interesting. Going from Spanish to Portuguese, Spanish to Italian, etc... is quite interesting since you find the connections between them really funny and insightful. Caveats - The same could be said for the other romance languages but they don't have WYSIWYG, ie: Portuguese "vermelho" has the "lh" combo which add a soft i between "l" and "h", French "cuisine" omits the "e" when pronouncing the word, etc...