The 3 best things I learned from Mary Oliver's "A Poetry Handbook": The differences between popular poetry forms (and how to riff on them). Oliver explains poetry terms that I'd heard of before ...
Overview Structuring a comparative essay Comparing themes, ideas and attitudes Compare the effect of form, structure and language Comparing contexts Thinking about two poems and identifying where ...
The key thing to do when comparing poems is to note the points where they are similar and the points where they differ. You could make a list noting similarities and differences between the two poems.