The word "addendums" is correct and usable in written English.
It is the plural form of "addendum," which means an addition or supplement to a document. You can use the word "addendums" when referring to multiple additions or supplements in a document. For example, "The contract has several addendums that detail specific terms and conditions."
Then Ms Noonan accessed the original case notes from her adoption file, which mentioned her father had been British, and contained handwritten addendums suggesting that he was well connected and that his identity had therefore been hushed up.
Finke will fold information from the comments into her stories, along with addendums she has received by e-mail and over the phone, enabling a story to evolve and become what she calls "a living, breathing organism".
The Enbridge spill is only mentioned briefly in addendums.
In the past, classified addendums to the war plan for the Korean Peninsula have not been publicized.
By the end of Beam's book, I couldn't help wanting to add addendums, caveats and real-world context to her original questions: Who decides the correct way to raise a child when money, politics, poverty, race and competing parenting philosophies collide?
Likewise, the original story is not diminished by the desire of its readers to supply their own cheery addendums.
Johnson, in an addendum to the report, partially concurred with many of the inspector general's findings, though he disputed several.
Attaching an author addendum to your publishing agreement is a great way to publish where you want while still retaining the right to openly distribute your work.
An ECB spokesman hurriedly added that "nothing had changed" and introduced an addendum to the effect that Pietersen would have to also be seen as "a positive influence".
He may want to issue a papal addendum about the further dos and don'ts before the global smackfest – this carnival of parental abuse – gets out of hand.
(Addendum: Several commenters point out that Mr Obama and Mr Biden were queitly sworn in on Sunday, the day before the inaugural festivities, because the constitution provides that the previous term ends on January 20th, but inaugural celebrations are not normally held on Sundays. Mr Biden nailed the oath that time.
