This phenomenon creates homophones in spoken language.

Air" and "heir" are homophones.

The words "knight” and "night" are homophones.

The Spanish words "varón", meaning male, and "barón", meaning baron, are homophones.

In Chinese, 'dumpling' and 'first exchange' are homophones, so they have a rich cultural association.

In ancient Hebrew, עַל and אַל were not homophones.

English mother-tongue speakers are embarrassed to correctly pronounce the name of the German philosopher Kant, which is a homophone for a vulgar expression referring to the female genitals.