Difference between Suck Up and Saphead

SUCK UP vs SAPHEAD: NOUN

To adulate or flatter somebody excessively, generally to obtain some personal benefit or favour.
To absorb fluid
Try to gain favor by cringing or flattering
Ingratiate oneself to; often with insincere behavior
Take in, also metaphorically

Play up, Bootlick, Cotton up, Sop up, Shine up, Take up, Fawn, Soak up, Toady, Imbibe, Draw, Kowtow, Truckle, Absorb, Suck

Simpleton, Idiotize, Moron, Featherbrain, Blinkard, Idioted, Idiot, Ninnyhammer, Dodipoll, Idiotish, Nidget, Muggins, Sap, Fool, Tomfool

Sycophant, Toadyism, Adulator, Footlicker, Arse licker, Brownnose, Sop up, Take up, Fawn, Soak up, Toady, Imbibe, Draw, Kowtow, Suck

Simpleton, Idiotize, Moron, Featherbrain, Blinkard, Idioted, Idiot, Ninnyhammer, Dodipoll, Idiotish, Nidget, Tomfool, Sap, Muggins, Fool

Moored suck up to is also again called unwritten business.
So I just have to suck up the regular way.
Typically, they suck up machine memory that legitimate programmes use.
Do Anteaters Use Their Long Noses to Suck up Ants?
Almost like a dry sponge to suck up new information.
Comcast suck up NBC would be a worst disaster.
Go suck up to your greedy Emirates buddies.
As it reduces subsidies for gasoline at home all the pent up demand will suck up more crude and more products.
VCE system favouring students who suck up to them setting them up for positions as the dux.
If the Mako Reactor continues to suck up the energy, this fountain will dry up too.