investiture vs coronation

investiture and coronation both are nouns.

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

As nouns, investiture and coronation are synonyms defined as:

Other synonyms of investiture include enthronement, enthronisation, enthronization.

investiture (noun)	coronation (noun)
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
the ceremony of installing a new monarch