hockey

As a letter s

is the letter s with a.

As a noun hockey is

hockey (family of sports).

As nouns the difference between hockey and null

is that hockey is hockey (family of sports) while null is zero, nil; the cardinal number before einn.

As nouns the difference between hockey and woman

is that hockey is hockey (family of sports) while woman is an adult female human.

As a verb woman is

to staff with female labor.

As nouns the difference between hockey and shirt

is that hockey is hockey (family of sports) while shirt is an article of clothing that is worn on the upper part of the body, and often has sleeves, either long or short, that cover the arms.

As a verb shirt is

to cover or clothe with a shirt, or as if with a shirt.

As a noun hockey

is hockey (family of sports).

As a pronoun man is

i.

As nouns the difference between hockey and sweatshirt

is that hockey is hockey (family of sports) while sweatshirt is sweatshirt.

As a noun hockey

is hockey (family of sports).

As an adjective undefined is

lacking a definition or value.