All The Same

Riddle: Their differences are often unannounced, Though the difference is quite pronounced, There may be no change in what you're going to hear, But your context will show you that they're here. What are they?

Answer: Homophones.

Source: https://www.riddles.com/9347

Their differences are often unannounced, Though the difference is quite pronounced, There may be no change in what you're going to hear, But your context will show you that they're here. What are they? — All the same by Moose man v1.

Riddle: Their differences are often unannounced, Though the difference is quite pronounced, There may be no change in what you're going to hear, But your context will show you that they're here. What are they? Answer: Homophones. — by Moose man v2.