Difference between Nudge and Prod

NUDGE vs PROD: NOUN

The rotation by one step of a reel of the player's choice.
A gentle push, or jog, as with the elbow.
A slight push, as with the elbow; a covert jog intended to call attention, give warning, or the like.
A slight push or shake
A gentle push.
A feature of instant messaging software used to get the attention of another user, as by shaking the conversation window or playing a sound.

A pointed instrument used to prod into motion
A verbalization that encourages you to attempt something
A pointed object used to prod.
An incitement; a stimulus.
A pointed (often blunt-pointed) weapon or instrument, as a goad or an awl.
A long wooden pin used to secure thatch upon a roof. See the quotation.
A crossbow used for throwing balls of metal or stone. Compare stone-bow.
[⟨ prod, v.] A prick or punch with a pointed or somewhat blunt instrument; a poke.
A pyramidal or conical point which protrudes from the face of a loam-plate or a core-plate for the purpose of holding or retaining the loam.
A pointed instrument for pricking or puncturing, as a goad, an awl, a skewer, etc.
A prick or stab which a pointed instrument.
A light kind of crossbow; -- in the sense, often spelled prodd.
A device (often electrical) used to goad livestock into moving.
A pointed instrument that is used to prod into a state of motion

To touch gently, as with the elbow, in order to call attention or convey intimation.
To come close to; near.
To push against gently, especially in order to gain attention or give a signal.

To jab or poke, as with a pointed object.
To thrust some pointed instrument into; to prick with something sharp; ; hence, to goad, to incite, to worry.
To goad to action; incite.

To touch gently, as with the elbow; give a hint or signal to by a covert touch with the hand, elbow, or foot.

Impulse, Momentum, Displace, Dent, Slight, Drive, Dig, Impetus, Boost, Move, Poke, Propel, Push, Poke at, Prod

Stimulate, Push, Poke at, Egg on, Jab, Incite, Dig, Spurring, Urging, Stab, Goading, Spur, Poke, Goad, Nudge

Understand, Elbow, Impulse, Displace, Dent, Slight, Drive, Dig, Impetus, Boost, Move, Poke, Propel, Push, Prod

Needle, Impel, Urge, Stimulate, Push, Egg on, Jab, Dig, Spurring, Urging, Stab, Goading, Spur, Poke, Nudge

Rather, a familiar nudge to create new ones.
This may nudge them into depositing the check.
Want to Give a Nudge Towards Proper Handwashing?
Sam, both nudge Alex in the right direction.
The a dose of water with each nudge.
Nudge, Nudge, Wink, Wink, Know What I Mean, Know What I Mean?
Snap, snap, grin, grin, wink, wink, nudge, nudge, say no more.
If You Nudge the Deal, Can You Keep the Nudge?
And creator David Chase offers just enough wink-wink, nudge-nudge clues in certain "Soprano" episodes that this is just one big joke.
Wink wink, nudge nudge, say no more, know what i mean?