ichorous

As a noun ichor

is the liquid that in Greek mythology was said to flow in place of blood in the veins of the gods.

As an adjective ichorous is

resembling or relating to ichor.

As adjectives the difference between ichorous and frush

is that ichorous is resembling or relating to ichor while frush is easily broken; brittle; crisp.

As a verb frush is

(obsolete|transitive) to break up, smash.

As a noun frush is

(obsolete) noise; clatter; crash or frush can be the frog of a horse's foot.