The difference between Chick and Chicken

When used as nouns, chick means a young bird, whereas chicken means a domestic fowl, gallus gallus, especially when young.

When used as verbs, chick means to sprout, as seed does in the ground, whereas chicken means to avoid a situation one is afraid of.

Chicken is also adjective with the meaning: cowardly.

check bellow for the other definitions of Chick and Chicken

Chick as a noun:

A young bird.
Chick as a noun:

A young chicken.
Chick as a noun (term of endearment):

A young child.
Chick as a noun (slang, often, pejorative):

A young, especially attractive, woman or teenage girl.

Examples:

"Three cool chicks / Are walking down the street / Swinging their hips'' — song "Three Cool Cats" by w Jerry Leiber and Mike Stoller"

Chick as a verb (obsolete):

To sprout, as seed does in the ground; to vegetate.

Examples:

"rfquotek Chalmers"

Chick as a noun (India, Pakistan):

A screen or blind made of finely slit bamboo and twine, hung in doorways or windows.

Chicken as a noun (countable):

A domestic fowl, Gallus gallus, especially when young.
Chicken as a noun (uncountable):

The meat from this bird eaten as food.
Chicken as a noun (countable, slang):

A coward.
Chicken as a noun (countable, slang):

A young or inexperienced person.
Chicken as a noun (countable, Polari):

A young, attractive, slim man, usually having little body hair; compare .
Chicken as a noun:

The game of dare. A confrontational game in which the participants move toward each other at high speed (usually in automobiles); the player who turns first to avoid colliding into the other is the chicken (that is, the loser.)

Examples:

"Don't play chicken with a freight train; you're guaranteed to lose."
Chicken as a noun:

A simple dance in which the movements of a chicken are imitated.

Chicken as an adjective (informal):

Cowardly.

Examples:

"Why do you refuse to fight? Huh, I guess you're just too chicken."

Chicken as a verb (intransitive):

To avoid a situation one is afraid of.