Nowadays "Republican" and "Democrat" are virtual synonyms for "conservative" and "liberal, " but that's only been true for about two decades.

FORBES: Elections Old And New

Antonyms may prove baffling, but the state has no trouble coming up with pleasanter synonyms for taxes, enough to conceal some of them completely.

FORBES: American Political Economy Alters English Language

Mental toughness, resiliency, resolve and trust are all synonyms for heart.

WSJ: Jason Gay: The Heart of a Giant Win