annex

noun 0.840

annexing

noun 0.719

annexation

noun 0.692

appendix

noun 0.668

addendum

noun 0.654

appendage

noun 0.649

attachment

noun 0.632

appending

noun 0.586

affix

noun 0.578

appurtenance

noun 0.576

adjunctive

noun 0.572

appurtenant

noun 0.566

adjunct

noun 0.564

append

noun 0.563

additional

noun 0.558

extension

noun 0.557

supplementary

noun 0.556

add-on

noun 0.554

subjoin

noun 0.541

accessary

noun 0.537

supplement

noun 0.532

affixing

noun 0.532

addition

noun 0.531

accessorial

noun 0.531

accessory

noun 0.531

ancillary

noun 0.528

annotation

noun 0.526

annal

noun 0.518

adherend

noun 0.517

extra

noun 0.516

supplemental

noun 0.515

accession

noun 0.508

ancilla

noun 0.505

enclosure

noun 0.503

add

noun 0.503

affixation

noun 0.501