per, purr

The words per, purr sound the same but have different meanings and spellings. Why do per, purr sound the same even though they are completely different words?

The answer is simple: per, purr are homophones of the English language.

  1. :: preposition

    To, for, or by each; for every: Gasoline once cost 40 cents per gallon.

  2. :: preposition

    According to; by: Changes were made to the manuscript per the author's instructions.

  3. :: preposition

    By means of; through.

  4. :: adverb

    Informal For each one; apiece: sold the cookies for one dollar per.

  1. :: noun

    The soft vibrant sound made by a cat.

  2. :: noun

    A sound similar to that made by a cat: the purr of an engine.

  3. :: verb-intransitive

    To make or utter a soft vibrant sound: The cat purred. The sewing machine purred.

  4. :: verb-transitive

    To express by a soft vibrant sound.

Definitions from The American Heritage® Dictionary of the English Language, 4th Edition and Wordnik.

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About Homophones

Homophones (literally "same sound") are usually defined as words that share the same pronunciation, regardless of how they are spelled.

If they are spelled the same then they are also homographs (and homonyms); if they are spelled differently then they are also heterographs (literally "different writing").