additional

noun 0.710

addition

noun 0.700

add-on

noun 0.686

supplement

noun 0.665

addend

noun 0.661

appendage

noun 0.660

add

noun 0.659

annexure

noun 0.654

appendix

noun 0.640

supplemental

noun 0.635

adjunctive

noun 0.634

additionality

noun 0.632

adjunct

noun 0.631

appending

noun 0.631

additive

noun 0.628

afterword

noun 0.624

supplementary

noun 0.624

append

noun 0.619

extra

noun 0.614

amendment

noun 0.598

added time

noun 0.591

adjuvant

noun 0.590

adduct

noun 0.590

admixture

noun 0.588

annex

noun 0.588

afterthought

noun 0.585

admix

noun 0.584

codicil

noun 0.577

adder

noun 0.577

corrigendum

noun 0.568

erratum

noun 0.566

amends

noun 0.565

side note

noun 0.562

extension

noun 0.560

postlude

noun 0.559

footnote

noun 0.558

modifier

noun 0.544

plus

noun 0.542

attachment

noun 0.542

suppletion

noun 0.542

emendation

noun 0.540

adduction

noun 0.539

epilogue

noun 0.538

subjoin

noun 0.538

postmodification

noun 0.536

suffix

noun 0.529

ade

noun 0.528

marginal note

noun 0.528

bonus

noun 0.522

addition reaction

noun 0.522

edit

noun 0.519

corollary

noun 0.519

affix

noun 0.519

annotation

noun 0.519

postface

noun 0.518

proviso

noun 0.517

admeasurement

noun 0.516

postscript

noun 0.515

extender

noun 0.514

accessorial

noun 0.514

suppletive

noun 0.513

ament

noun 0.512

ending

noun 0.512

nota bene

noun 0.511

augment

noun 0.511

appurtenance

noun 0.510

amende

noun 0.510

accessary

noun 0.508

summand

noun 0.506

notation

noun 0.505

adit

noun 0.505

adornment

noun 0.504

food additive

noun 0.503

photoaddition

noun 0.500

value added

noun 0.500