Usually “feedback” is uncountable. To say you received five feedbacks” would normally be expressed as “five kinds of feedback,” “five sources of feedback,” or “five items of feedback.”
Regarding this, can advice be plural?
‘Advice’ is a noun meaning “an opinion or suggestion about what someone should do.” Advice is a noncount noun (or mass noun) which means it does not have a plural form.
In this way, is feedback always plural? Feedback is a non-counting noun which means that it has no plural. You can have a lot of feedback but it is always stated in the singular noun form. There is no feedbacks.
In this manner, what is the correct plural form?
Plural Noun Rules
The correct spelling of plurals usually depends on what letter the singular noun ends in. 1 To make regular nouns plural, add ‑s to the end. cat – cats. house – houses. 2 If the singular noun ends in ‑s, -ss, -sh, -ch, -x, or -z, add ‑es to the end to make it plural.