List of subsidiary synonyms and subsidiary related words.
accessory, accident, accidental, addendum, addition, additional, adjunct, adjuvant, adscititious, adventitious, ancillary, appendage, appurtenance, appurtenant, ascititious, assistant, assisting, auxiliary, casual, circumstantial, collateral, contingency, contingent, contributory, dotal, dower, dowered, dowry, endowed, extra, fortuitous, fostering, happenstance, helping, incidental, inessential, instrumental, invested, mere chance, ministerial, ministering, ministrant, minor, nonessential, not-self, nurtural, nutricial, other, pensionary, secondary, serving, stipendiary, subordinate to, subservient, superadded, superaddition, superfluous, supervenient, supplement, supplemental, supplementary, tributary, unessential