All of these words mean "love" (noun). I recommend that you get a Devanagari IME like this one (http://www.bhashaindia.com/ilit/hindi.aspx) The phonetic spellings of Hindi words are not very consistent, so you will be much better off with writing words in Devanagari. Here is one of the many online Hindi dictionaries: (http://www.shabdkosh.com/)