One interesting place where we find cultural links between Phoenicians and Canaanites as well as between them and ancient Hebrews is in the alphabets. The earliest forms of writing were strongly pictographic, with Egyptian hieroglyphics being the most obvious example. Such alphabets evolved into more and more abstract forms; if we examine the various alphabets side-by-side, we can see how these early pictograms became letters we use today.
Read Article: Phoenician Alphabet: Language, Writing, Alphabets Reveal Cultural Continuity in the Near East

I found an interesting animated GIF showing the evolution of the Latin alphabet over time–here.
Of course the jews and Palestinians are the same people.
DNA testing proved that.
http://news.bbc.co.uk/2/hi/sci/tech/742430.stm
Those groups (Israel especially) want to deny their shared genetics for the same reason hardcore religious types want to deny that whites are descended from blacks and came out of Africa. You can’t hate and kill people if you admit they’re exactly the same as you.
I forgot to add:
If you’re interested in the structure, similarity and history of alphabets, visit the Omniglot website.
http://www.omniglot.com/index.htm