key

As a proper noun key

is .

As a noun secret is

(countable|uncountable) knowledge that is hidden and intended to be kept hidden.

As an adjective secret is

being or kept hidden.

As a verb secret is

to make or keep secret.

Primordial is a related term of key.

As an adjective primordial

is first, earliest or original.

As a noun primordial

is a first principle or element.

As a proper noun key is

.

As a proper noun key

is .

As a verb chocolate is

.

As an adjective chocolate is

chocolate (attributive).

As adjectives the difference between primeval and key

is that primeval is belonging to the first ages while key is indispensable, supremely important.

As a noun key is

an object designed to open and close a lock.

As a verb key is

to fit (a lock) with a key.

As a proper noun Key is

{{surname}.

Primary is a related term of key.

As an adjective primary

is the first in a group or series.

As a noun primary

is a primary election; a preliminary election to select a political candidate of a political party.

As a verb primary

is (us|intransitive) to take part in a primary election.

As a proper noun key is

.

In lang=en terms the difference between key and principal

is that key is to operate (the transmitter switch of a two-way radio) while principal is a diapason, a type of organ stop on a pipe organ.

As nouns the difference between key and principal

is that key is an object designed to open and close a lock while principal is the money originally invested or loaned, on which basis interest and returns are calculated.

As adjectives the difference between key and principal

is that key is indispensable, supremely important while principal is primary; most important.

As a verb key

is to fit (a lock) with a key.

As a proper noun Key

is {{surname}.

Elementary is a related term of key.

As an adjective elementary

is relating to the basic, essential or fundamental part of something.

As a proper noun key is

.

Key is a related term of utmost.

As a proper noun key

is .

As an adjective utmost is

situated at the most distant limit; farthest.

As a noun utmost is

maximum; greatest possible amount or quantity.

Basic is a related term of key.

As an adjective basic

is basic.

As a proper noun key is

.

As nouns the difference between key and leading

is that key is an object designed to open and close a lock while leading is an act by which one is led or guided.

As adjectives the difference between key and leading

is that key is indispensable, supremely important while leading is providing guidance or direction.

As verbs the difference between key and leading

is that key is to fit (a lock) with a key while leading is present participle of lang=en.

As a proper noun Key

is {{surname}.