suage

As a verb suage

is (obsolete) to assuage.

As an adjective suave is

charming, confident and elegant.

As a noun suave is

sweet talk.

As an adjective usage

is used.

As a verb suage is

(obsolete) to assuage.

In obsolete|lang=en terms the difference between assuage and suage

is that assuage is (obsolete) to calm down, become less violent (of passion, hunger etc); to subside, to abate while suage is (obsolete) to assuage.

As verbs the difference between assuage and suage

is that assuage is to lessen the intensity of, to mitigate or relieve (hunger, emotion, pain etc) while suage is (obsolete) to assuage.