Difference between Block Off and Block Up

BLOCK OFF vs BLOCK UP: VERB

Vapor lock, Circumventive, Barricado, Side step, Unbarricadoed, Roadblock, Oppilate, Cordon off, Close off, Block up, Shut off, Blockade, Barricade, Bar, Block

Lancet arch, Doorway, Frowst, Biforate, Oppilate, Exterior door, Caponiere, Wash room, Drop curtain, Stop up, Block off, Blockade, Bar, Barricade, Block

Bypass, Interclusion, Dam up, Vapor lock, Circumventive, Side step, Unbarricadoed, Oppilate, Cordon off, Close off, Shut off, Blockade, Barricade, Bar, Block

Batardeau, Unbarricade, Lancet arch, Doorway, Frowst, Biforate, Oppilate, Exterior door, Caponiere, Wash room, Drop curtain, Blockade, Bar, Barricade, Block

Just 1 block off of Hawthorne on a dead end street.
My preferred option is to just block off the windows.
Block off travel time for getting to and from activities.
Market and Pennsylvania Streets just a block off Monument Circle.
How do I block off a day on my calendar?
This is one block off Wisconsin Ave to the west.
Knock their block off with the Jaw Breaker Shotgun.
EGR block off plate from Modern Automotive Performance.
Frontier Airlines does not block off middle seats.
Located a block off The Strip and a block from the monorail, the Platinum has easy access to all the attractions of Las Vegas.

If other countries have rocky coasts, does that mean we should block up our harbors?
Of course you crapper purchase ampere tiki block up but that seat glucinium expensive.
These rocks can be used to block up doorways, topple down on enemies, etc.
Many phone companies can block up to ten numbers from texting or calling you.
Allentown a block up from two restraints that Us Food supply company supplies.
Church, which was one block up the street from our house.
Same with the future-Shanty lot next (600) block up.
Our clinic is one block up on the right.
Now go back and ride that block up.
Blondissant, ante, a, yellom golden Bloqner, va, to block up, fill up Blot, sm.