1. Skilled/ skillful Skillful: a skillful musician, a skillful performance, a skillful liar You can apply the word skillful to a person or something that is done by a person. Skillful could suggest not only practice and learning, but also talent and/or creativity. skilled: a skilled carpenter, a skilled surgeon I would use the word skilled to describe (mainly) a person who has had instruction and lots of practice and experience in doing a specialized thing and therefore does it very well. 2. Continual/ continuous/ successive/ consecutive. Continual/ successive/ actions, however, interrupted, only repeated Continuous/ consecutive” refers to actions which are uninterrupted 3. Topic/ subject Subject is the general content. It s broad and general Topic is specific, developed from the subject 4. Aim/ goal/ objective I just remember the diagram based on their extent to tell them apart. Aim goal objective It is in the order of less general. 5. watch/ look/ view/ see/ observe. Look - to look at something for a reason, with an intention See -to ‘see’ something that comes into our sight that we weren’t looking for. Watch - to look at something carefully, usually at something which is moving. Observe – to watch something in action on official, scientific or other special purpose View –often appears as a noun. To have a good view of the field… To look at something in the aim of relaxing (landscape) 6. to learn/ to study To learn: to get the knowledge which is found out before. To study: to find the knowledge which is undiscovered. 7. limit/ limitation Limit: something not good about a job, thing but people Limitation: a bad characteristic of a person 8. Search/ seek/ look for/ find Search/ seek/ look for: to look for something and haven’t found out it Find: look for something and at the moment found out. 9. change/ exchange. Change: to transfer from this thing to another but money Exchange: to transfer from this kind of money into another 10. border/ boundary Border: the line between nations Boundary: the line between garden, house, such small property… . noun. To have a good view of the field… To look at something in the aim of relaxing (landscape) 6. to learn/ to study To learn: to get the knowledge which is found out before. To study: to find. for: to look for something and haven’t found out it Find: look for something and at the moment found out. 9. change/ exchange. Change: to transfer from this thing to another but money Exchange: to. -to ‘see’ something that comes into our sight that we weren’t looking for. Watch - to look at something carefully, usually at something which is moving. Observe – to watch something in action on