Hi, this question could take a month to answer.. but here are some key points to get you started.. just be aware, a lot of these words have several meanings so I have only commented on the meaning that I feel you are trying to clarify.. hence vs therefore - [basically the same] able vs provide - [very different, look again at the definitions] virtually [means ‘almost’ or 'more or less'], which is different to actually and in fact [which have a similar meaning] NAKED vs NUDE [the same] vs BARE [similar in this context} vs PLAIN [unrelated] CHANGED vs ALTERED vs MODIFED - [basically the same] ENABLE vs DISABLE [more or less opposites] vs UNABLE [means ‘can’t do’] demolition vs havoc vs ruin [different meanings, look again at the definitions] costs vs prices [fairly similar, but not interchangeable] provide vs supply [basically the same] veer [slightly different] to deviate vs divert [more or less the same] still vs yet [very complicated.. you need to study the difference] overall vs IN general [basically the same] vary vs differ [the same] affective [very very rarely used so don’t worry about this word] vs effective assessED vs estimated vs evaluated vs appraised [basically the same] life vs live [different meanings, look again at the definitions] excel [DO VERY WELL] vs surpass vs exceed [DO EVEN BETTER] vs excess [different meaning.. means TOO MUCH] extend vs expend [different, look again at the definitions] assure vs ensure [different, look again at the definitions]

I'd like to point out a few of the difference that you might find useful. The word "cost" refers to the amount spent on the production of an item at the factory. The word "price" refers to the amount charged at the store. This being said, people still say, "how much did that cost", instead of "what was the price". The word "veer" means to physically change direction, like a sailboat in the wind. This turn can be sudden and unexpected. The word "deviate" means to be different from the standard. People could deviate from moral standards. The word "divert" means to turn aside from a prearranged course. This word could be used to describe a change in a river's course. The word "assess" means to charge tax or to value a property for tax purposes. The word "estimate" means to form an opinion or make a rough calculation. The word "evaluate" and the word "appraise" are similar to each other, meaning to set an official price concerning the value of some article. The word "nake" and the word "nude" are used for people without clothes. The word "bare" would be used for trees without leaves. The word "plain" would be used for a cake without icing. Hope this helps