excessive vs inordinate

excessive and inordinate both are adjectives.

Word	Noun	Adjective	Verb	Adverb
excessive	No	Yes	No	No
inordinate	No	Yes	No	No

As adjectives, excessive and inordinate are synonyms defined as:

Other synonyms of excessive include undue, unreasonable.

excessive (adjective)	inordinate (adjective)
beyond normal limits	beyond normal limits
unrestrained, especially with regard to feelings