egghead

As nouns the difference between egghead and polymath

is that egghead is (pejorative) a bald person, especially a man while polymath is a person with extraordinarily broad and comprehensive knowledge.

As a noun egghead

is (pejorative) a bald person, especially a man.

As an adjective shrewd is

showing clever resourcefulness in practical matters.

is likely misspelled.

has no English definition.

As a noun egghead

is a bald person, especially a man.

As a noun egghead

is a bald person, especially a man.

As an adjective brainy is

very intellectually capable.

As nouns the difference between egghead and pundit

is that egghead is (pejorative) a bald person, especially a man while pundit is a learned person in india; someone with knowledge of sanskrit, philosophy, religion and law; a hindu scholar.

As nouns the difference between taxonomy and egghead

is that taxonomy is the science or the technique used to make a classification while egghead is (pejorative) a bald person, especially a man.