Difference between Kick Upstairs and Tread On

KICK UPSTAIRS vs TREAD ON: VERB

To promote (an employee considered troublesome) to a position of lesser influence, but of apparently higher status.
Give a promotion to or assign to a higher position

Good condition, Act upon, Bring forward, Bring round, Set about, Get across, Carry off, Collide with, Bring about, Set in motion, Upgrade, Promote, Advance, Elevate, Raise

Concentrate on, Fall upon, Do away with, Fortread, Misregard, Keep down, Go against, Remord, Forlese, Peck at, Keep apart, Eat into, Score off, Outscorn, Step on

Good condition, Act upon, Bring forward, Bring round, Set about, Get across, Carry off, Collide with, Bring about, Set in motion, Upgrade, Promote, Advance, Elevate, Raise

Run afoul, Concentrate on, Fall upon, Do away with, Fortread, Misregard, Keep down, Go against, Remord, Forlese, Peck at, Keep apart, Eat into, Score off, Outscorn

They are much quieter than my last more expensive tyres and have a lovely tread on them.
Tread on Me, Fight Terrorism, God Bless America, Missouri Remembers, Some Gave All, and Back the Blue.
The tread on the blue EVA has just about disintegrated.
Tread on Me has become more and more famous.
Trainers are just fine so long as they have decent tread on them.
The "Don't Tread on Me" Tea Party says all that and more.
May you tread on the path of righteousness as shown by Lord Ganesh.
Tread On Me Chrome License Plate Frame Dome Emblem Gadsden Flag.
After getting excited, tread on me holy place!
Deceive, cheat, trick, dupe, tread in the steps of, tread on the heels gull, delude, circumvent, cozen, overof.