# Learn English – A generic noun for something being compared

nounssingle-word-requests

I'm looking for a noun to use in place of "comparable object," which would make sense in the following context:

Four "comparable objects" were ranked based on their performance in a recent comparison.

I keep thinking of the word "competitor," but I'm not satisfied with it, which made me think of the following analogy:

competitor : competition :: ??? : comparison