One of the best way to learn Tamil words is the interaction of the other language people with Tamil people. On continuing this, they can learn many words. This will be the effective method as i think.
Practice makes perfect..
The best way one to learn Tamil language and the basics of Tamil, there search would end at our Tamilspider. Here we have an exclusive section Learn Basic Tamil. Here our members have contributed some basic Tamil words and their corresponding meanings in English. So it would be easy to follow for everyone who yearns to learn.
I have also written some resources on Learn Tamil through English which contains six parts. I will soon come up with some more too.
The learning process of Tamil language is some difficult for the Non Tamil peoples. Because there are more letters are available in Tamil Language.So, The Non Tamil peoples should learn the BASIC TAMIL WORDS through the computers easily. There are many tutorials are available today to learn Tamil.