What is the difference between an inductor and a capacitor?

Firstly the suffix '-ance' in each of those three Words indicate the properties the material exhibits.

Therefore resistance is the property by which any material tends to oppose the flow of current through it.

Inductance is the property by which a material opposes the change in current, or opposes an alternating current. An inductor can be appreciated simply using a coil of insulated wire, or a solenoid.

Capacitance is the property by which a material opposes the change in voltage across its ends, ie how it opposes alternating voltage. A capacitor comprises of, essentially, two metallic plates separated by a dielectric (a medium which may/may not be non-conducting, but is capable to contain charge).

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