pernickety vs persnickety

pernickety and persnickety both are adjectives.

Word	Noun	Adjective	Verb	Adverb
pernickety	No	Yes	No	No
persnickety	No	Yes	No	No

As adjectives, pernickety and persnickety are synonyms defined as:

pernickety and persnickety: characterized by excessive precision and attention to trivial details

pernickety (adjective)	persnickety (adjective)
characterized by excessive precision and attention to trivial details	characterized by excessive precision and attention to trivial details
	(used colloquially) overly conceited or arrogant