completion

As nouns the difference between completion and expiration

is that completion is the act or state of being or making something complete; conclusion, accomplishment while expiration is the act of expiring.

As nouns the difference between consumption and completion

is that consumption is the act of consuming something while completion is the act or state of being or making something complete; conclusion, accomplishment.

As nouns the difference between conferral and completion

is that conferral is the act of conferring something; conferment while completion is the act or state of being or making something complete; conclusion, accomplishment.

As nouns the difference between completion and complementation

is that completion is the act or state of being or making something complete; conclusion, accomplishment while complementation is (mathematics) the replacement of a set by its complement.

As nouns the difference between completion and clear

is that completion is the act or state of being or making something complete; conclusion, accomplishment while clear is (scientology) an idea state of beingness free of unwanted influences.

As a verb attaining

is .

As a noun completion is

the act or state of being or making something complete; conclusion, accomplishment.

As nouns the difference between completion and begin

is that completion is the act or state of being or making something complete; conclusion, accomplishment while begin is (nonstandard) beginning; start.

As a verb begin is

(ambitransitive) to start, to initiate or take the first step into something.