Antarctic is a related term of crisp.
In obsolete|lang=en terms the difference between antarctic and crisp
is that
antarctic is (obsolete) southern while
crisp is (obsolete) lively; sparking; effervescing.
As adjectives the difference between antarctic and crisp
is that
antarctic is (obsolete) southern while
crisp is (of something seen or heard) sharp, clearly defined.
As a proper noun antarctic
is one of the major ecozones of the world, covering the south polar regions.
As a noun crisp is
(british) a thin slice of fried potato eaten as a snack.
As a verb crisp is
to make crisp.