annexation

noun 0.889

annex

noun 0.825

annexure

noun 0.719

appending

noun 0.659

affixing

noun 0.574

accession

noun 0.556

append

noun 0.539

addition

noun 0.531

affixation

noun 0.526

joining

noun 0.518

adjunctive

noun 0.516

adduction

noun 0.514

affix

noun 0.514

appendage

noun 0.512

merging

noun 0.512

subjoin

noun 0.512

axing

noun 0.510

attachment

noun 0.507

seizing

noun 0.507

combining

noun 0.506

add

noun 0.504

invasion

noun 0.503

extension

noun 0.501

inserting

noun 0.501