they could be similar but the meaning is really different. You may get confused in the future :)

http://www.etymonline.com is a very useful website if you want to know the origin of certain words.

some scientific words have interesting roots that can give you a good idea about the meaning of words particularly words with latin roots. one example is biology - anything with the ology ending mean study of. but yea id agree with the other guys to it could be confusing

I agree with Thien, sometimes words with common origins might be totally different in modern English. "Most" and "Almost" definitely have the same root, but their use is totally different, so I think it's very confusing to compare them. However, if you're just interested in finding where a word comes from, here's a dictionary that gives detailed information on word origins: www.etymonline.com