depreciation vs niggler

depreciation and niggler both are nouns.

Word	Noun	Adjective	Verb	Adverb
depreciation	Yes	No	No	No
niggler	Yes	No	No	No

depreciation (noun)	niggler (noun)
a decrease in price or value	someone who constantly criticizes in a petty way
a communication that belittles somebody or something
decrease in value of an asset due to obsolescence or use