Fall down and Flake out

Fall down verb - Lose an upright position suddenly.

Flake out and fall down are semantically related in break down topic. In some cases you can use "Flake out" instead a verb "Fall down".

Flake out verb - Change from a waking to a sleeping state.

Fall down and flake out are semantically related in break down topic. Sometimes you can use "Fall down" instead a verb "Flake out".