authour

As a noun authour

is .

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As a noun authour

is .

As an adjective undefined is

lacking a definition or value.

As nouns the difference between authour and null

is that authour is while null is zero, nil; the cardinal number before einn.

As nouns the difference between author and authour

is that author is the originator or creator of a work, especially of a literary composition while authour is obsolete spelling of lang=en.

As a verb author

is to create a work as its author.