Synonyms and related words :
assortment, back seat, categorization, continuity, culling, degree, gradation, grouping, hierarchy, humbleness, humility, inferiority, juniority, lower status, lowliness, minority, place, placement, rank, ranking, satellite status, screening, second fiddle, second string, secondariness, selection, sequence, serial order, service, servility, servitorship, sifting, sorting, sorting out, subjecthood, subjection, subordinacy, subordinate role, subservience, subserviency, taxonomy, third string, triage