Examine investigate or research a topic. Demonstrate demonstrate with the help of either specimens or experiments. Justify requires you to show adequate grounds for decisions or conclusions, focusing on why it is so, given the evidence available. Illustrate make the meaning clear by giving examples. Discuss present a point of view using description and interpretation, with evidence to support your argument.
Contrast look at differences only.
Compare look at similarities and differences. Analyse examine critically so as to highlight components, to show how they are important. Evaluate the most important related and why they are study and assess the argument or proposition and make a judgement after looking at the advantages and disadvantages. Critically evaluate make a judgement through a discussion of evidence. Your essay writing can be improved if you have a clear idea of what is required.