THESAURUS
subgroup
adjunct, blood, bracket, branch, caste, category, clan, class, component, contingent, cross section, detachment, detail, division, dole, estate, fraction, grade, group, grouping, head, heading, installment, item, kin, label, level, order, parcel, part, particular, percentage, pigeonhole, portion, position, predicament, quadrant, quarter, quota, race, random sample, rank, rating, remainder, rubric, sample, sampling, section, sector, segment, sept, set, share, station, status, strain, stratum, subdivision, suborder, subspecies, title