fainting, feinting

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

The answer is simple: fainting, feinting are homophones of the English language.

fainting
  1. :: verb

    Present participle of faint.

  2. :: noun

    An act of collapsing to a state to temporary unconsciousness.

feinting
  1. :: verb-transitive

    To make a deceptive show of.

  2. :: verb-transitive

    To deceive with a feint.

  3. :: verb-intransitive

    To make a feint.

  4. :: noun

    A deceptive action calculated to divert attention from one's real purpose. See Synonyms at wile.

Definitions from Wiktionary, Creative Commons Attribution/Share-Alike License, from The American Heritage® Dictionary of the English Language, 4th Edition and Wordnik.

Share fainting, feinting

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").