expedition vs expeditiousness

expedition and expeditiousness both are nouns.

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

As nouns, expedition and expeditiousness are synonyms defined as:

expedition and expeditiousness: the property of being prompt and efficient

Other synonyms of expedition include despatch, dispatch.

expedition (noun)	expeditiousness (noun)
a journey organized for a particular purpose	the property of being prompt and efficient
a military campaign designed to achieve a specific objective in a foreign country
a journey taken for pleasure
the property of being prompt and efficient
an organized group of people undertaking a journey for a particular purpose