What’s correct: echos or echoes?
“Echoes” and “echos” are plural forms of the noun “echo.”
“Echoes” is the commonly accepted plural among most major dictionaries. It’s also the correct spelling according to QuillBot’s Grammar Checker.
But some dictionaries also list “echos” as a plural.
So, you should probably use “echoes,” but if you use “echos,” it may be considered correct depending on your audience.