Difference between Cay and Key

What is the difference between Cay and Key?

Cay as a noun is a small, low island largely made of sand or coral. while Key as a noun is an object designed to open and close a lock.

Cay

Part of speech: noun

Definition: A small, low island largely made of sand or coral.

Key

Part of speech: adjective

Definition: Indispensable.Important, salient.

Part of speech: verb

Definition: To fit (a lock) with a key.To fit (pieces of a mechanical assembly) with a key to maintain the orientation between them.(telegraphy and radio telegraphy) To depress (a telegraph key).(radio) To operate (the transmitter switch of a two-way radio).(more usually to key in) To enter (information) by typing on a keyboard or keypad.To vandalize (a car, etc.) by scratching with an implement such as a key.To link (as one might do with a key or legend).To mark or indicate with a symbol indicating membership in a class.

Part of speech: noun

Definition: An object designed to open and close a lock.An object designed to fit between two other objects (such as a shaft and a wheel) in a mechanism and maintain the orientation between them.A crucial step or requirement.A guide explaining the symbols or terminology of a map or chart; a legend.One of several small, usually square buttons on a typewriter or computer keyboard, most of which generally correspond to a particular character.One of a number of rectangular moving parts on a piano or musical keyboard, each causing a particular sound or note to be produced.One of various levers on a musical instrument used to select notes, such as a lever opening a hole on a woodwind.A hierarchical scale of musical notes on which a composition is basedA device used to transmit Morse code.A piece of information (e.g. a passphrase) used to encode or decode a message or messages.In a relational database, a field used as an index into another table (not necessarily unique).A value that uniquely identifies an entry in an associative array.The free-throw lane together with the circle surrounding the free-throw line, the free-throw lane having formerly been narrower, giving the area the shape of a skeleton key hole.kilogramOne of a string of small islands.

Example sentence: Positivity, confidence, and persistence are key in life, so never give up on yourself.

We hope you now know whether to use Cay or Key in your sentence.

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