The difference between Hay and Sack

Hay as a noun (uncountable):

Grass cut and dried for use as animal fodder.

Hay as a noun (countable):

Any mix of green leafy plants used for fodder.

Hay as a noun (slang):

Cannabis; marijuana.

Hay as a noun:

A net set around the haunt of an animal, especially a rabbit.

Hay as a noun (obsolete):

A hedge.

Hay as a noun (obsolete):

A circular country dance.

Hay as a verb:

To cut grasses or herb plants for use as animal fodder.

Hay as a verb:

To lay snares for rabbits.

Hay as a noun:

The letter for the h sound in Pitman shorthand.

Sack as a noun:

A bag; especially a large bag of strong, coarse material for storage and handling of various commodities, such as potatoes, coal, coffee; or, a bag with handles used at a supermarket, a grocery sack; or, a small bag for small items, a satchel.

Sack as a noun:

The amount a sack holds; also, an archaic or historical measure of varying capacity, depending on commodity type and according to local usage; an old English measure of weight, usually of wool, equal to 13 stone (182 pounds), or in other sources, 26 stone (364 pounds).

Sack as a noun (uncountable):

The plunder and pillaging of a captured town or city.

Sack as a noun (uncountable):

Loot or booty obtained by pillage.

Sack as a noun (American football):

A successful tackle of the quarterback. See verb sense4 below.

Sack as a noun (baseball):

One of the square bases anchored at first base, second base, or third base.

Sack as a noun (informal):

Dismissal from employment, or discharge from a position, usually as give (someone) the sack or get the sack. See verb sense4 below.

Sack as a noun (colloquial, US):

Bed; usually as hit the sack or in the sack. See also sack out.

Sack as a noun (dated):

(also sacque) A kind of loose-fitting gown or dress with sleeves which hangs from the shoulders, such as a gown with a Watteau back or sack-back, fashionable in the late 17th to 18th century; or, formerly, a loose-fitting hip-length jacket, cloak or cape.

Sack as a noun (dated):

A sack coat; a kind of coat worn by men, and extending from top to bottom without a cross seam.

Sack as a noun (vulgar, slang):

The scrotum.

Sack as a verb:

To put in a sack or sacks.

Sack as a verb:

To bear or carry in a sack upon the back or the shoulders.

Sack as a verb:

To plunder or pillage, especially after capture; to obtain spoils of war from.

Sack as a verb (American football):

To tackle, usually to tackle the offensive quarterback behind the line of scrimmage before he is able to throw a pass.

Sack as a verb (informal):

To discharge from a job or position; to fire.

Sack as a verb (colloquial):

In the phrase sack out, to fall asleep. See also hit the sack.

Sack as a noun (dated):

A variety of light-colored dry wine from Spain or the Canary Islands; also, any strong white wine from southern Europe; sherry.

Sack as a noun:

Sack as a verb:

Sack as a noun: