saphead

As a noun saphead is

a simpleton, a stupid person.

As nouns the difference between snaphead and saphead

is that snaphead is a hemispherical or rounded head to a rivet or bolt while saphead is a simpleton, a stupid person.

As nouns the difference between saphead and slaphead

is that saphead is a simpleton, a stupid person while slaphead is a bald person; somebody with a shaved or hairless head.

Saphead is a synonym of milksop.

As nouns the difference between milksop and saphead

is that milksop is a piece of bread sopped in milk while saphead is a simpleton, a stupid person.

As nouns the difference between stupid and saphead

is that stupid is a stupid person; a fool while saphead is a simpleton, a stupid person.

As an adjective stupid

is lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.

As an adverb stupid

is (slang|dated) extremely.

As nouns the difference between simpleton and saphead

is that simpleton is (pejorative) a simple person lacking common sense while saphead is a simpleton, a stupid person.