270 Words founds in Dictionary that Ends on IOUS

Tip: There are lot of words that are same in meaning but different in pronunciation in following list. So, practice and make a list of synonyms and antonyms from prefixes and suffixes.

Abstemious Abstentious Acrimonious Adscititious Adventitious Ambitious Amphibious Antireligious Anxious Arsenious Atrabilious Atrocious Audacious Auspicious Autoecious Avaricious  Bilious Bodacious Bumptious Burglarious Calumnious Capacious Capricious Captious Carious Cautious Cementitious Censorious Ceremonious Commodious Compendious Compunctious Conscientious Conscious Contagious Contentious  Contradictious Contrarious Contumacious Contumelious Copious Curious Curvacious Deleterious Delicious Delirious Devious Diecious Dioecious Disharmonious Disputatious Dissentious Dubious Edacious Efficacious Egregious Envious Euphonious Excrementitious Eximious Expeditious Facetious Factious Factitious Fallacious Fashious Fastidious Felonious Ferocious Fictitious Flagitious Flirtatious Folious Fractious Fugacious Furious Glorious Gracious Gregarious Harmonious Hellacious Heteroecious Hilarious Hypercautious Hyperconscious Hyperfastidious Ignominious Illustrious Impecunious Imperious Impervious Impious Inauspicious Incautious Incommodious Incurious Industrious Inefficacious Infectious Ingenious Inglorious Inharmonious Injudicious Injurious Insalubrious Insidious Interreligious Invidious Irreligious Judicious Laborious Lascivious Licentious Litigious Loquacious Lubricious Lugubrious Luscious Luxurious Malarious Malicious Melodious Mendacious Meretricious Meritorious Monecious Monoecious Multifarious Multireligious Mysterious Nefarious Nimious Nonconscious Noncontagious Nongregarious Noninfectious Nonnutritious Nonobvious Nonreligious Nonserious Notorious Noxious Nutritious Oblivious Obnoxious Obsequious Obvious Odious Officious Omnifarious Opprobrious Osmious Ostentatious Overambitious Overanxious Overcautious Overconscientious Overconscious Overfastidious Overingenious Overobvious Overserious Oversuspicious Parsimonious Penurious Perfidious Pernicious Perspicacious Pertinacious Pervious Pious Pluvious Precarious Precious Precocious Preconscious Predacious Prestigious Pretentious Previous Prodigious Propitious Pugnacious Punctilious Rambunctious Rapacious Rebellious Religious Repetitious Robustious Rubious Ructious Rumbustious Sacrilegious Sagacious Salacious Salubrious Sanctimonious Sanious Scabious Scarious Scrumptious Seditious Semiconscious Semiprecious Semireligious Sententious Sequacious Serious Silicious Simious Socioreligious Spacious Specious Spurious Struthious Studious Subconscious Subreptitious Superambitious Supercautious Supercilious Superluxurious Superstitious Suppositious Supposititious Surreptitious Suspicious Symphonious Tedious Temerarious Tenacious Tendencious Tendentious Tenebrious Tortious Ultracautious Ultrafastidious Ultraserious Unambitious Uncensorious Unceremonious Unconscious Uncontentious Uncurious Unenvious Unfastidious Ungracious Unmalicious Unmelodious Unostentatious Unpretentious Unpropitious Unreligious Unserious Unsuspicious Uproarious Usurious Uxorious Vagarious Vainglorious Various Veracious Vexatious Vicarious Vicious Victorious Vivacious Voracious