coronation vs investiture

coronation and investiture both are nouns.

Word	Noun	Adjective	Verb	Adverb
coronation	Yes	No	No	No
investiture	Yes	No	No	No

As nouns, coronation and investiture are synonyms defined as:

Other synonyms of coronation include enthronement, enthronisation, enthronization.

coronation (noun)	investiture (noun)
the ceremony of installing a new monarch	the ceremonial act of clothing someone in the insignia of an office; the formal promotion of a person to an office or rank
	the ceremony of installing a new monarch