Synonyms to call box

extension, L, access, accession, accessory, accompaniment, accretion, accrual, accruement, accumulation, acreage, addenda, addendum, additament, addition, additive, additory, additum, adjunct, adjuvant, advance, affective meaning, aggrandizement, alternate, alternative school, ambit, ampliation, amplification, amplitude, annex, annexation, appanage, appendage, appendant, appendix, appreciation, appurtenance, appurtenant, area, arm, ascent, attachment, augment, augmentation, ballooning, bearing, bigness, blab school, bloating, block, boarding school, body, boom, boost, breadth, broadening, buildup, bulk, caliber, capacity, central school, coda, coin telephone, coloring, coming after, compass, complement, comprehensiveness, concomitant, connotation, consecution, consecutiveness, consequence, consolidated school, continualness, continuance, continuation, continuation school, continuing, continuity, continuum, corollary, correspondence school, country day school, coverage, crescendo, dame school, day school, denotation, deployment, depth, descent, desk telephone, development, dial telephone, diame