Lightning vs. Lightening

Lightning vs. Lightening

Lightning (noun)

noun [mass noun]
The occurrence of a natural electrical discharge of very short duration and high voltage between a cloud and the ground or within a cloud, accompanied by a bright flash and typically also thunder:

a tremendous flash of lightning

Lightening (verb1=lighten, verb3=lightened)

verb
Make or become lighter in weight, pressure, or severity: [with object] :

efforts to lighten the burden of regulation

• Make or become more cheerful or less serious: [with object] :

she attempted a joke to lighten the atmosphere

[no object] :

try to lighten up and think positive