The difference between Competition and Contest

When used as nouns, competition means the action of competing, whereas contest means controversy.

Contest is also verb with the meaning: to contend.

check bellow for the other definitions of Competition and Contest

Competition as a noun (uncountable):

The action of competing.

Examples:

"The competition for this job is strong."
Competition as a noun (countable):

A contest for a prize or award.

Examples:

"The newspaper is featuring a competition to win a car."
Competition as a noun (uncountable, collectively):

The competitors in such a contest.

Examples:

"The new stain remover was ten times more effective than the competition."

Contest as a noun (uncountable):

Controversy; debate.

Examples:

"no contest"
Contest as a noun (uncountable):

Struggle for superiority; combat.
Contest as a noun (countable):

A competition.

Examples:

"The child entered the spelling contest."

Contest as a verb (intransitive):

To contend.

Examples:

"I will contest for the open seat on the board."
Contest as a verb (transitive):

To call into question; to oppose.

Examples:

"The rival contested the dictator's re-election because of claims of voting irregularities."
Contest as a verb (transitive):

To strive earnestly to hold or maintain; to struggle to defend.

Examples:

"The troops contested every inch of ground."
Contest as a verb (legal):

To make a subject of litigation; to defend, as a suit; to dispute or resist, as a claim, by course of law; to controvert.