despatch vs expeditiousness

despatch and expeditiousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
despatch	Yes	No	Yes	No
expeditiousness	Yes	No	No	No

As nouns, despatch and expeditiousness are synonyms defined as:

despatch and expeditiousness: the property of being prompt and efficient

Other synonyms of despatch include dispatch, expedition.

despatch (noun)	expeditiousness (noun)
the act of sending off something	the property of being prompt and efficient
killing a person or animal
the property of being prompt and efficient
an official report (usually sent in haste)

despatch (verb)	expeditiousness (verb)
send away towards a designated goal