Following are all the addendum like words, in the list below.
POSTSCRIPT
100% like addendum
SUPPLEMENT
99.97% like addendum
SUMMATION
66.72% like addendum
ADDITION
66.71% like addendum
INDEX
66.71% like addendum
ADD-ON
66.71% like addendum
PLUS
66.7% like addendum
ADDITIONALITY
66.7% like addendum
SCHEDULE
66.7% like addendum
ADD
66.7% like addendum
APPENDIX
66.7% like addendum
ADDITIONAL
66.7% like addendum
ADDITIVE
66.69% like addendum
AGGREGATION
66.69% like addendum
CORRIGENDUM
66.68% like addendum
PAGE
66.68% like addendum
ANNEX
66.68% like addendum
INSERTION
66.66% like addendum
ADMIXTURE
66.65% like addendum
CONTENTS
66.61% like addendum
ATTACHMENT
66.56% like addendum
RIDER
66.54% like addendum
ENCLOSURE
66.52% like addendum
SHIM
66.32% like addendum
PAD
66.24% like addendum
INSERTED
65.48% like addendum
ADDED
33.45% like addendum
ADDING
33.45% like addendum
ADDITIONS
33.45% like addendum
ADDITIVES
33.45% like addendum
ADDS
33.45% like addendum
ESPAñOL
33.45% like addendum
SUPPLEMENTS
33.45% like addendum
COROLLARY
33.45% like addendum
MEMORANDUM
33.45% like addendum
CODICIL
33.45% like addendum
PREFACING
33.45% like addendum
SUPPLEMENTARY
33.45% like addendum
PREFACE
33.45% like addendum
NONMANDATORY
33.45% like addendum
ERRATUM
33.45% like addendum
AMENDMENT
33.45% like addendum
SUPPLEMENTAL
33.45% like addendum
FOOTNOTE
33.45% like addendum
AGENDUM
33.45% like addendum
POSTSCRIPTUM
33.45% like addendum
PREFACED
33.45% like addendum
STIPULATION
33.45% like addendum
EPILOGUE
33.45% like addendum
MEMO
33.45% like addendum
DECLARATION
33.45% like addendum
MONOGRAPHY
33.45% like addendum
MONOGRAPH
33.45% like addendum
HABENDUM
33.45% like addendum
PREAMBLE
33.45% like addendum
CHECKLIST
33.45% like addendum
POSTSCRIPTS
33.45% like addendum
REJOINDER
33.45% like addendum
REBUTTAL
33.45% like addendum
DRAFT
33.45% like addendum
OBLIGATORY
33.45% like addendum
DIATRIBE
33.45% like addendum
CATECHISM
33.45% like addendum
POSTULATION
33.45% like addendum
PREFATORY
33.45% like addendum
CODA
33.45% like addendum
INTRODUCTORY
33.45% like addendum
BOILERPLATE
33.45% like addendum
SCRIPTUM
33.45% like addendum
METACOMMENTARY
33.45% like addendum
EXCULPATION
33.45% like addendum
SALUTORY
33.45% like addendum
PARAGRAPH
33.45% like addendum
RESTATEMENT
33.45% like addendum
RATIONALE
33.45% like addendum
SERMONETTE
33.45% like addendum
FOREWORD
33.45% like addendum
WORDING
33.45% like addendum
ENDNOTE
33.45% like addendum
BLURB
33.45% like addendum
ACCOMPANYING
33.45% like addendum
EXPATIATION
33.45% like addendum
DOCUMENT
33.45% like addendum
AMENDMENTS
33.45% like addendum
ADDEND
33.45% like addendum
AFTERWORD
33.45% like addendum
ADJUNCT
33.45% like addendum
AFTERNOTE
33.45% like addendum
APPENDAGE
33.45% like addendum
UPDATE
33.45% like addendum
SUBAPPENDIX
33.45% like addendum
APPENDANT
33.45% like addendum
AFTERTHOUGHT
33.45% like addendum
ACCESSORY
33.45% like addendum
SUPPLEMENTATION
33.45% like addendum
FILL-OUT
33.45% like addendum
SUPPLETORY
33.45% like addendum
ET CETERA
33.45% like addendum
SUPERADDITION
33.45% like addendum
SIDEBAR
33.45% like addendum
