External vs Outwardly - What's the difference?

As an adjective external

is outside of something; on the exterior.

externally or on the outside, or on the surface.

(en adjective)

Outside of something; on the exterior.

This building has some external pipework.

* Milton

Of all external things, / She [Fancy] forms imaginations, aery shapes.

* Shakespeare

Her virtues graced with external gifts.

Not intrinsic nor essential; accidental; accompanying; superficial.

* Trench

The external circumstances are greatly different.

Foreign; relating to or connected with foreign nations.

external''' trade or commerce; the '''external relations of a state or kingdom

(anatomy) Away from the mesial plane of the body; lateral.

* internal

* * * English words suffixed with -al

(head)

externally or on the outside, or on the surface

The terrorist was outwardly a bank clerk.

toward the outside