General Usage:
* Isomorphic: Having the same form or structure.
* Isometry: A transformation that preserves distances.
* Isotropic: Having the same properties in all directions.
* Isosceles: Having two sides of equal length.
* Isotope: An atom of an element with the same number of protons but a different number of neutrons.
* Isogonal: Having equal angles.
Scientific/Technical Usage:
* Isomer: A molecule with the same molecular formula as another molecule but a different arrangement of atoms.
* Isobar: An atom with the same atomic mass but a different atomic number.
* Isothermal: Having the same temperature throughout.
* Isoclinic: Having the same inclination.
* Isobaric: Having the same pressure.
* Isochronous: Having the same period of oscillation.
Other:
* Isolating: Separating something from others.
* Isolate: To separate something from others.
* Isolation: The state of being separated.
This is not an exhaustive list, but it provides a good starting point.