Difference between Take Down and Let Down

TAKE DOWN vs LET DOWN: VERB

To lower an item of clothing without removing it.
To remove a temporary structure such as scaffolding.
To write a note. Usually to record something that is said.
To remove something from a hanging position.
To remove something from a wall or similar vertical surface to which it is fixed.
Tear down so as to make flat with the ground
Move something or somebody to a lower position
Make a written note of
Reduce in worth or character, usually verbally

Write, Abase, Tear, Jot, Level, Note, Pull down, Dismantle, Raze, Lower, Rase, Tear down, Get down, Let down, Bring down

Lets, Disillusioned, Frustrated, Fail, Dashed, Lowered, Deceived, Deflate, Bummed, Disappointed, Lower, Disappoint, Get down, Take down, Bring down

Remove, Demolish, Delete, Defeat, Write, Abase, Tear, Note, Level, Pull down, Dismantle, Raze, Lower, Tear down, Bring down

Lop, Base, Drawbridge, Letting, Disillusioned, Lowered, Frustrated, Dashed, Deceived, Deflate, Bummed, Disappointed, Lower, Disappoint, Bring down

Degrade, reduce, lower, discredit, disgrace, dishonor, humble, sink, humiliate, bring low, cast down, stoop, debase, depress, drop, take down, demean.
You need to take control of your mage party member and take down the barrier.
We had to take down a wire shelf and take all the unorganized stuff out!
Legendaries, it will probably take some clever deck editing to take down the bosses.
They slow down to take down the listing information, but a truck quickly starts speeding up behind them.
At least take down landlords worth taking down, like the ones that provide poor living conditions.
Take Down Stay Down filter will recognize the identical content and block it.
Take Down - Everything that went up must come back down.
Administration of icle, register, set down, take down, justice.
If Airbnb has refused to take down or amend the review, the only option would be to take down your listing.

The economy is let down by poor infrastructure.
Gmail is the biggest let down for people with multiple accounts, the old pull down menus was so much cleaner.
We had a big let down early on Friday with Astralis taking down Schalke in a pretty low scoring match.
Every time I let go, I was let down.
If there is ever an occasion when you feel let down then please let us know immediately as we really value your feedback.
Muslims, already grappling with the anguish of their marriage breaking down, feel more let down.
Let down when I received and the customer service was a huge down.
Let alone be let down by a hospital that prides itself of its high standards.
The terrorists and extremists will not let down their guard, and we must not let down ours.
Learn let in, let off, let down, let out, let on.