allograph

As a noun allograph

is a variant form of a letter (or other grapheme).

As an adjective false is

(label) one of two states of a boolean variable; logic.

As nouns the difference between homograph and allograph

is that homograph is homograph while allograph is a variant form of a letter (or other grapheme).

As nouns the difference between terms and allograph

is that terms is while allograph is a variant form of a letter (or other grapheme).

As nouns the difference between autograph and allograph

is that autograph is a person’s own handwriting, especially the signature of a famous or admired person while allograph is a variant form of a letter (or other grapheme.

As an adjective autograph

is written in the author’s own handwriting.

As a verb autograph

is to sign, or write one’s name or signature on a book etc.

As nouns the difference between signature and allograph

is that signature is a ’s name, written by that person, used to signify approval of accompanying material, such as a legal contract while allograph is a variant form of a letter (or other grapheme).

As an adjective signature

is distinctive, characteristic indicative of identity.

As nouns the difference between grapheme and allograph

is that grapheme is a fundamental unit of a writing system, corresponding to (for example) letters in the English alphabet or jamo in Korean Hangeul while allograph is a variant form of a letter (or other grapheme.

As nouns the difference between letter and allograph

is that letter is a letter (character) while allograph is a variant form of a letter (or other grapheme).

As nouns the difference between variant and allograph

is that variant is something that is slightly different from a type or norm while allograph is a variant form of a letter (or other grapheme).

As an adjective variant

is showing variety, diverse.