Difference between Numskull and Knucklehead

NUMSKULL vs KNUCKLEHEAD: NOUN

Dolt, Numbskull, Nincompoop, Nitwit, Chowderhead, Muttonhead, Loggerhead, Hammerhead, Bonehead, Dunce, Blockhead, Knucklehead, Shithead, Dunderhead, Lunkhead

Butthead, Dumbass, Idiot, Jackass, Moron, Muttonhead, Loggerhead, Hammerhead, Blockhead, Dunce, Numskull, Shithead, Lunkhead, Dunderhead, Bonehead

Dullard, Dolt, Numbskull, Nincompoop, Nitwit, Chowderhead, Loggerhead, Hammerhead, Bonehead, Dunce, Blockhead, Knucklehead, Shithead, Dunderhead, Lunkhead

Dickhead, Butthead, Dumbass, Idiot, Jackass, Moron, Loggerhead, Hammerhead, Blockhead, Dunce, Numskull, Shithead, Lunkhead, Dunderhead, Bonehead

Gianni Lotteringhi but one Gianni di Nello, that lived at Porta San Piero, and was no less a numskull than Gianni Lotteringhi.
Licensed to and published by Numskull Games Limited from Aksys Games.
February, Spike Chunsoft and Numskull Games has announced an additional delay.

Anyone who uses Wikipedia as a source for anything is a knucklehead.
Professional Embroidery, Screen Printing, and Promotional Products by Knucklehead Embroidery, Inc.
ARICEPT found a lot more strumpet than just knucklehead her at work or social obligations.
This is the place to post your Shovelhead, Panhead, Knucklehead, Flathead Parts For Sale.
For those wanting to really indulge, they can order the "5-Pound Knucklehead Challenge.".
So in conclusion, please forgive your honeybun for sometimes acting like such a knucklehead.
Experimental Knucklehead Harley Davidson Factory Prototype OHV craigslist Newtown, Pennsylvania, United States.
Every detail of Knucklehead is captured in this amazing latex mask.
Hey knucklehead, the sign is there for a reason.
Harley Knucklehead Panhead Shovelhead Evo Parts Chopper Bobber.