What are words ending with the suffix tious?

Common words:

* Ambitious

* Cautious

* Delicious

* Furious

* Grateful

* Industrious

* Malicious

* Nutritious

* Suspicious

* Victorious

Less common words:

* Audacious

* Captious

* Contiguous

* Devious

* Efficacious

* Exitious

* Fictitious

* Gratuitous

* Invidious

* Loquacious

* Meritorious

* Pitious

* Propitious

* Punctilious

* Ribaldrous

* Scrupulous

* Tenacious

* Treacherous

* Tumultuous

* Ubiquitous

* Vehement

* Vicious

* Voracious

Note: The suffix "tious" is usually added to words that describe a quality or characteristic, and often implies a strong or intense nature.