"Echo" is both a singular and a plural noun. In its singular form, it refers to the repetition of sound caused by the reflection of sound waves off a surface. In its plural form, "echoes," it refers to multiple instances of sound reverberation.
Potato - potatoes Tomato - tomatoes Tomatatillo - tomatilloes
The plural form for the noun echo is echos.
The plural of 'echo' is 'echoes.'
For words that end in O, add either s or es.
Echo. no 's'
The plural form of echo is echoes.The plural of echo is echoes.
Potato - potatoes Tomato - tomatoes Tomatatillo - tomatilloes
The plural form for the noun echo is echos.
The plural of 'echo' is 'echoes.'
It would be very unusual to use "echo" (meaning the reflection of a sound) in a possessive manner in normal conversation. I suppose you could say:- The echo's sound was muted (=singular possessive) or The echos' sounds were muted (=plural possessive)
For words that end in O, add either s or es.
Echo. no 's'
practitioner is singular (plural practitioners)sofa is singular (plural sofas)satellite is singular (plural satellites)clips is plural (singular clip)dentist is singular (plural dentists)dollars is plural (singular dollar)article is singular (plural articles)magazines is plural (singular magazine)laminator is singular (laminators is plural)radios is plural (singular radio)
The plural noun of "echo" is "echoes."
The plural form is echoes. The plural possessive is echoes'.
singular and plural
The plural form of the noun echo is echoes.The plural possessive form is echoes'.