testy vs techy

testy and techy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
testy	No	Yes	No	No
techy	No	Yes	No	No

As adjectives, testy and techy are synonyms defined as:

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

testy (adjective)	techy (adjective)
easily irritated or annoyed	easily irritated or annoyed