Allowed and aloud sound similar, but they do very different jobs.
Allowed is the past tense of allow. It means permitted or given permission. Use it when you are talking about rules, choices, or what someone may do. For example, Students are not allowed to use phones during the test.
Aloud is an adverb. It means spoken so it can be heard. Use it when you are talking about reading, saying, or thinking with sound. For example, Please read the first paragraph aloud.
A quick way to remember the difference is this: if the sentence is about permission, choose allowed. If it is about speaking so others can hear, choose aloud.
- Allowed: We were allowed to stay up late.
- Aloud: He laughed aloud at the joke.
Even though they sound alike, they are not interchangeable. One relates to permission, and the other relates to audible speech.