Common words:
* Circular
* Angular
* Regular
* Singular
* Molecular
* Cellular
* Popular
* Semicircular
* Rectangular
* Triangular
* Vascular
Less common words:
* Sicular (relating to the sicula, a part of a sea squirt)
* Specular (relating to a mirror or reflection)
* Sicular (relating to the sicula, a part of a sea squirt)
* Muscular (relating to muscle)
* Fibular (relating to the fibula, a bone in the leg)
Technical words:
* Mandibular (relating to the mandible, the lower jaw)
* Peninsular (relating to a peninsula)
* Vesicular (relating to vesicles, small sacs)
* Stellular (relating to stars or star-shaped objects)
Remember: The suffix "-ular" often indicates something that is relating to, resembling, or characterized by the root word.
This list is not exhaustive, and there may be other words that end with "-ular."