To gain vocabulary, one only has to memorize the base word and the possible extended meanings may be apparent. Often used with - an. Often used with - an. Suffixes and prefixes can be used in combinations, too. The first letter of some foreign-sounding base word is often not removed for clarity.
Some examples follow.
You may see that the above definitions are not exact, but an indication of how the prefixes and suffixes affect the word. See also the Indonesian etymology database .