Difference between Flunky and Flunkey

FLUNKY vs FLUNKEY: NOUN

A male servant (especially a footman)
A person of slavish or unquestioning obedience; a lackey.
One who does menial or trivial work; a drudge.
A liveried manservant.
A cabin waiter on a passenger-vessel.
A male servant in livery: used in contempt.
Hence One who is mean and base-spirited; a cringing flatterer and servile imitator of those above him in rank or position; a toady; a snob.
A person of unquestioning obedience
A contemptuous name for a liveried servant or a footman.
One who is obsequious or cringing; a snob.
One easily deceived in buying stocks; an inexperienced and unwary jobber.
A sycophant; a servant or hanger-on who is kept for their loyalty or muscle rather than their intellect.
In the United States, among stock-brokers, a person who, from inexperience, makes bad investments or loses his money.

A person of unquestioning obedience
A male servant (especially a footman)
An underling; a contemptuous name for a liveried servant or a footman; servant, retainer – a person working in the service of another (especially in the household)
One who is obsequious or cringing; a snob.

Bootlicker, Hireling, Gofer, Apparatchik, Nincompoop, Henchman, Underling, Minion, Sycophant, Menial, Yes man, Dweeb, Stooge, Flunkey, Lackey

Plutocrat, Dogsbody, Chinless wonder, Apple polisher, Panjandrum, Apparatchik, Praetorian guard, Bootlicker, Lickspittle, Minion, Sycophant, Yes man, Dweeb, Stooge, Lackey

Dogsbody, Cretin, Bootlicker, Hireling, Gofer, Nincompoop, Henchman, Minion, Sycophant, Menial, Yes man, Dweeb, Stooge, Flunkey, Lackey

Nincompoop, Twerp, Plutocrat, Dogsbody, Chinless wonder, Apple polisher, Panjandrum, Praetorian guard, Bootlicker, Minion, Sycophant, Yes man, Dweeb, Stooge, Lackey

If they allow FedEx to meet the requirements of 'certified mail' then a flunky on a bicycle also qualifies.
FLUNKY and his CHEERLEADERS appear from behind the door, laughing at his shocked reaction.
And the opponent or a campaign flunky pretends to be sorry.
Now that hendershot is gone, he has a new flunky, zullo.
She is a Hillary flunky who lost big.

She walked up to the main door and tipped the uniformed flunkey, who smiled and spoke a welcome.
Moments later, he was ascending the stairs, a flunkey following behind with a tray of drinks.
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Come to think of it, that was exactly what Chen Song was, a henchman flunkey.
What must an ordinary simple Russian have gone through before fate flung him down as a flunkey here?