According to several dictionary sources and a number of scholarly types, "addenda" is the plural of "addendum", and not "addendums" as most spell checkers will accurately mark as wrong.
The plural form of addendum is addenda
The foreign plural of addendum is "addenda."
Addendum is singular. Addenda or addendums is plural.
The plural form of addendum is addenda.
Addendum is the singular. The plural is addenda.
The plural form for the noun addendum is addenda or addendums (both are accepted).
Addendum is the singular form.The plural forms are addenda or addendums, both are accepted.
addenda
Addenda.
plural form of synopsis?
Addenda.It's not addendums.
Addendum is the singular form; the plural form is addenda, although there is some acceptance for addendums as the plural.