ضَمّ: جَمْع، دَمْج joining, junction, uniting, union, bringing together, conjunction, conjoining, connection, binding, connecting; combination, combining, merger, amalgamation, grouping, merging; pairing, coupling; gathering, collection, collecting

ضَمّ: إِلْحَاق joining, junction, subjunction, attachment, appending, addition, annexation

ضَمّ: تَرْكِيب assembling, assemblage, assembly, putting together, fitting together, piecing together