decomposition vs vector decomposition

decomposition and vector decomposition both are nouns.

Word	Noun	Adjective	Verb	Adverb
decomposition	Yes	No	No	No
vector decomposition	Yes	No	No	No

As nouns, decomposition and vector decomposition are synonyms defined as:

decomposition (noun)	vector decomposition (noun)
the analysis of a vector field	the analysis of a vector field
the organic phenomenon of rotting
(biology) the process of decay caused by bacterial or fungal action
(chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance
in a decomposed state