air / aire / ayre / ere / err / eyre / heir are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
air: (noun) a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of. (noun) the region above the ground. (noun) a distinctive but intangible quality surrounding a person or thing. (noun) once thought to be one of four elements composing the universe (Empedocles). (noun) medium for radio and television broadcasting. (verb) be broadcast. (verb) broadcast over the airwaves, as in radio or television. (verb) expose to warm or heated air, so as to dry.
aire: (noun) a river in northern England that flows southeast through West Yorkshire.
ayre: NA
ere: NA
err: (verb) to make a mistake or be incorrect.
eyre: (noun) a shallow salt lake in south central Australia about 35 feet below sea level; the largest lake in the country and the lowest point on the continent.
heir: (noun) a person who is entitled by law or by the terms of a will to inherit the estate of another.
air: EH·r
aire: NA
ayre: EH·r
ere: EH·r
err: EH·r
eyre: EH·r
heir: EH·r
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)