nerd

As a noun nerd

is nerd (a person, often very studious, with poor social skills).

As an adjective witty is

(label) wise, having good judgement.

As nouns the difference between nerd and bookworm

is that nerd is a person who is intellectual but generally introverted while bookworm is any of various insects that infest books.

As nouns the difference between nerd and merd

is that nerd is nerd (a person, often very studious, with poor social skills) while merd is (obsolete) ordure; dung.

As nouns the difference between nerd and erd

is that nerd is nerd (a person, often very studious, with poor social skills) while erd is (dialect|rare).

As nouns the difference between nerd and ferd

is that nerd is a person who is intellectual but generally introverted while ferd is an army, a host.

As nouns the difference between nerd and verd

is that nerd is a person who is intellectual but generally introverted while verd is the privilege of cutting green wood within a forest for fuel.

As nouns the difference between nerd and nard

is that nerd is a person who is intellectual but generally introverted while nard is a flowering plant of the valerian family that grows in the Himalayas of China, used as a perfume, an incense, a sedative, and an herbal medicine said to fight insomnia, flatulence, birth difficulties, and other minor ailments.

As a noun nerd

is nerd (a person, often very studious, with poor social skills).

As a symbol ner is

the iso 3166-1 three-letter (alpha-3) code for niger.

As nouns the difference between nerd and ned

is that nerd is a person who is intellectual but generally introverted while ned is a person, usually a youth, of low social standing and education, a violent disposition and with a particular style of dress (typically sportswear or Burberry), speech and behaviour.

As a proper noun Ned is

a medieval diminutive of the male given name Edward.

As an initialism NED is

new English Dictionary.