comparison
1.
2. The quality of being similar or equivalent; likeness: no comparison between the two books.
3. Grammar. The modification or inflection of an adjective or adverb to denote the positive, comparative, and superlative degrees.
[Middle English comparisoun, from Old French comparaison, from Latin comparātiō, comparātiōn-, from comparātus past participle of comparāre, to compare. See