fractious vs cranky

fractious and cranky both are adjectives.

Word	Noun	Adjective	Verb	Adverb
fractious	No	Yes	No	No
cranky	No	Yes	No	No

As adjectives, fractious and cranky are synonyms defined as:

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

fractious (adjective)	cranky (adjective)
unpredictably difficult in operation; likely to be troublesome	easily irritated or annoyed
stubbornly resistant to authority or control	(used of boats) inclined to heel over easily under sail
easily irritated or annoyed