excogitation vs innovation

excogitation and innovation both are nouns.

Word	Noun	Adjective	Verb	Adverb
excogitation	Yes	No	No	No
innovation	Yes	No	No	No

As nouns, excogitation and innovation are synonyms defined as:

Other synonyms of excogitation include conception, design, invention.

excogitation (noun)	innovation (noun)
thinking something out with care in order to achieve complete understanding of it	the act of starting something for the first time; introducing something new
the creation of something in the mind	a creation (a new device or process) resulting from study and experimentation
	the creation of something in the mind