Subgroup \Sub"group`\, n. (Biol.)
   A subdivision of a group, as of animals. --Darwin.
   [1913 Webster]

	

	61 Moby Thesaurus words for "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