1.Filipino
Filipino is the official language of the Philippines. While most people might not be familiar with the language, Filipino is very easy to learn because it is phonetic in nature. Spelling is not a problem to because it is written in the same way it is spoken. This is the reason Filipinos are considered as one of the best spellers in the world. They have the same set of vowels, consonants, and alphabet with English.
The languages listed below can be a good starting point for you. Just always remember that learning these languages can bridge the gap between people and it can be a good tool for world peace.