depreciation vs Irish bull

depreciation and Irish bull both are nouns.

Word	Noun	Adjective	Verb	Adverb
depreciation	Yes	No	No	No
Irish bull	Yes	No	No	No

depreciation (noun)	Irish bull (noun)
a decrease in price or value	Obscene word for unacceptable behavior
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use