Used with adjectives:
"Comparing wolves with dogs is a simple comparison."
(simple, easy)
"Judging professional athletes next to amateur athletes is an unfair comparison."
(unfair)
"Comparing apples to elephants is not a useful comparison."
(useful, meaningful)
"She made a good comparison between the two examples."
(good, interesting, accurate)
Used with verbs:
"The detectives could only draw a comparison based on the clues."
(draw, make)
Used with prepositions:
"When you see the child, the mother looks tall by comparison."
(by)
"Why don't we put them next to each other for comparison."
(for)