What words end with the suffix ical?

The suffix "ical" is used to form adjectives, usually from nouns. Here are some common words ending with "ical":

General:

* Practical

* Critical

* Physical

* Musical

* Typical

* Political

* Historical

* Logical

* Technical

* Medical

More specific:

* Mathematical

* Biological

* Chemical

* Economical

* Geographical

* Psychological

* Philosophical

* Astronomical

* Ecological

* Mechanical

* Electrical

* Optical

* Tactical

* Ethical

* Classical

* Tropical

Less common:

* Dynamical

* Geometrical

* Harmonical

* Metaphysical

* Rhetorical

* Zoological

* Typographical

* Biographical

This is not an exhaustive list, but it gives you a good starting point. There are many other words ending in "ical" depending on the field of study or the specific context.