What is vaunt : flaunt : : disparate : ?

divergent, contrasting, dissimilar, different ...

Vaunt and Flaunt are synonyms. Vaunt means to boast or brag about something excessively. Flaunt is similar. In that it means to show off or brag about an accomplishment. For example, the gold medal winner flaunted his medal for a year by wearing it to every competition and event he attended.

Disparate means different, so different that it makes comparison almost impossible - like comparing a cow and an apple. Since vaunt and flaunt are synonyms, you need a synonym for disparate. Divergent, contrasting, dissimilar, and different are all synonyms.

Vaunt is to flaunt as disparate is to exclusive. The adjective exclusive means not admitting of something else; incompatible.

-vaunt means boast about or praise (something), especially excessively.

-flaunt means display (something) ostentatiously, especially in order to provoke envy or admiration or to show defiance.

-disparate means essentially different in kind; not allowing comparison.