petulant vs tetchy

petulant and tetchy both are adjectives.

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

As adjectives, petulant and tetchy are synonyms defined as:

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

petulant (adjective)	tetchy (adjective)
easily irritated or annoyed	easily irritated or annoyed