mission vs delegation

mission and delegation both are nouns.

Word	Noun	Adjective	Verb	Adverb
mission	Yes	No	No	No
delegation	Yes	No	No	No

As nouns, mission and delegation are synonyms defined as:

Other synonyms of mission include commission, delegacy, deputation.

mission (noun)	delegation (noun)
a special assignment that is given to a person or group	authorizing subordinates to make certain decisions
an operation that is assigned by a higher headquarters	a group of representatives or delegates
the organized work of a religious missionary
a group of representatives or delegates
an organization of missionaries in a foreign land sent to carry on religious work