translation vs revision

translation and revision both are nouns.

Word	Noun	Adjective	Verb	Adverb
translation	Yes	No	No	No
revision	Yes	No	No	No

As nouns, revision is a hyponym of translation; that is, revision is a word with a more specific, narrower meaning than translation:

translation: the act of changing in form or shape or appearance
revision: the act of revising or altering (involving reconsideration and modification)

Other hyponyms of translation include permutation, alteration, transfiguration, transmogrification, metamorphosis.

translation (noun)	revision (noun)
the act of uniform movement	the act of revising or altering (involving reconsideration and modification)
the act of changing in form or shape or appearance	something that has been written again
a written communication in a second language having the same meaning as the written communication in a first language	the act of rewriting something
rewording something in less technical terminology
a uniform movement without rotation
(genetics) the process whereby genetic information coded in messenger RNA directs the formation of a specific protein at a ribosome in the cytoplasm
(mathematics) a transformation in which the origin of the coordinate system is moved to another position but the direction of each axis remains the same