peckish vs petulant

peckish and petulant both are adjectives.

Word	Noun	Adjective	Verb	Adverb
peckish	No	Yes	No	No
petulant	No	Yes	No	No

As adjectives, peckish and petulant are synonyms defined as:

Other synonyms of peckish include cranky, fractious, irritable, nettlesome, peevish, pettish, scratchy, techy, testy, tetchy.

peckish (adjective)	petulant (adjective)
somewhat hungry	easily irritated or annoyed
easily irritated or annoyed