words ending in ous5

2 Syllables

gracious, spacious

3 Syllables

audacious, capacious, edacious, fallacious, fugacious, loquacious, mendacious, minacious, predacious, pugnacious, rapacious, sagacious, salacious, sequacious, tenacious, ungracious, veracious, vivacious, voracious

4 Syllables

bulbaceous, cactaceous, contumacious, cretaceous, drupaceous, efficacious, filaceous, herbaceous, incapacious, palmaceous, perspicacious, pertinacious, rosaceous, sebaceous, setaceous, testaceous, vexatious

5 Syllables

arboraceous, arenaceous, argillaceous, carbonaceous, coriaceous, disputatious, farinaceous, gallinaceous, graminaceous, inefficacious, liliaceous, olivaceous, orchidaceous, papyraceous, saponaceous, violaceous

6 Syllables

papaveraceous, papilionaceous