adversative
adverse
adversive
allegory
amendatory
amends
analogy
antagonistic
anti
antipathetic
antithetic
antonymous
at cross-purposes
atonement
clashing
commutation
comparative anatomy
comparative degree
comparative grammar
comparative judgment
comparative linguistics
comparative literature
comparative method
compare
comparing
comparison
compensating
compensation
compensatory
conflicting
confrontation
confronting
confrontment
contradictory
contradistinct
contrapositive
contrarious
contrary
contrast
contrasted
contrastiveness
converse
coordination
correlation
counter
counteracting
counteraction
counteractive
counterbalancing
counterpoised
equalisation
equalization
leveling
rebalancing