center

As a letter s

is the letter s with a.

As a noun center is

centre / center.

As nouns the difference between center and stronghold

is that center is centre / center while stronghold is a fortress.

As nouns the difference between keep and center

is that keep is (obsolete) care, notice while center is centre / center.

As a verb keep

is to continue in (a course or mode of action); not to intermit or fall from; to maintain.

As nouns the difference between center and null

is that center is centre / center while null is zero, nil; the cardinal number before einn.

As nouns the difference between class and center

is that class is (countable) a group, collection, category or set sharing characteristics or attributes while center is centre / center.

As a verb class

is to assign to a class; to classify.

As an adjective class

is (irish|british|slang) great; fabulous.

As nouns the difference between center and orient

is that center is centre / center while orient is a pear cultivar from the united states.

As a proper noun orient is

countries of asia, especially east asia.

As nouns the difference between master and center

is that master is (l) (original version of a document or of a recording) while center is centre / center.

As nouns the difference between center and centering

is that center is centre / center while centering is (countable) temporary wooden structure built to support an arch during construction.

As a verb centering is

.

As a proper noun eye

is (uk|colloquial) the comedic magazine.

As a noun center is

centre / center.

As nouns the difference between center and maker

is that center is centre / center while maker is .

As a verb maker is

.