- Comparison-Noun, the act of process of comparing, the examination of two or more items to establish similarities and dissimilarities.
Example: I donât think comparisons of her situation and mine are appropriate.
http://www.merriam-webster.com/dictionary/comparison
- Reference- Noun, A note in a publication referring the reader to another passage or source. A person who is in a position to recommend another or to vouch for his or her fitness, as for a job.The state of being related or referred.
Example: Her speeches have special reference to environmental policy.
http://www.thefreedictionary.com/reference