Difference between Choke Up and Sneak Away

CHOKE UP vs SNEAK AWAY: VERB

To hold the bat higher (farther from the knob) than is normal.
To block, to block up (figuratively).
To block up, to cause something to be blocked.
To (temporarily) lose one's power of speech, because of embarrassment, fear etc.
Obstruct

Boil over, Rattle off, Swear off, Blow off, Tear into, Cry out, Rough up, Wear thin, Sneak away, Keep quiet, Lash out, Sneak off, Lug, Block, Stuff

Run along, Concentrate on, Take hold, Score off, Blow over, Lie low, Skip over, Make off, Knock over, Slip by, Sneak in, Sneak out, Sneak off, Slip away, Steal away

Break wind, Undercry, Let loose, Gobble up, Rattle off, Tear into, Cry out, Rough up, Wear thin, Sneak away, Keep quiet, Lash out, Sneak off, Block, Stuff

Keep apart, Run along, Concentrate on, Take hold, Score off, Blow over, Lie low, Skip over, Make off, Knock over, Slip by, Sneak in, Sneak off, Slip away, Steal away

Under no circumstances allow the exhaust from the blastpipe to pass through the mesh as oil will quickly cause it to choke up.
Belle myself but the preamp will add a bit of mid range and compression, which can make Muffs choke up a bit.
The WWE star-turned-actor often visits nearby children's hospitals whenever he's on set, and his latest visit might make you choke up.
While relating this all to me, he starts to choke up a little.
Yesterday, I saw David Ourlicht choke up in tears before dozens of journalists and cameramen.
Just thinking about gifting this to someone is making me choke up.
Even looking at a choker makes you, well, choke up.
Just thinking about her makes me choke up.
CPAP but without it I choke up and have a terrible night and wake up just exhausted.