is a specific kind of: insanity.

derivation: bizarre, eccentric, flakey, flaky, freakish, freaky, gonzo, off-the-wall, outlandish, outre | around the bend, balmy, barmy, bats, batty, bonkers, buggy, cracked, crackers, daft, dotty, fruity, haywire, kookie, kooky, loco, loony, loopy, nuts, nutty, round the bend, wacky, whacky | brainsick, crazy, demented, disturbed, mad, sick, unbalanced, unhinged.

is a specific kind of: brittleness, crispiness, crispness.

derivation: flakey, flaky.