Synonyms of litigious

2 Syllables
spiky, factious, spikier, pettish, ructious
3 Syllables
polemic, contentious, fire-eating, cat-and-dog, eristic
4 Syllables
disputatious, eristical, polemical, debateable, belligerent, combative, controversial, litigiousness, disputable, quarrelsome
6 Syllables
argumentative