subset

• POS: Noun
• HYPHEN: sub=set

OXFORD DICTIONARY

subset, n.
1 a secondary part of a set.
2 Math. a set all the elements of which are contained in another set.

ROGET THESAURUS

subset

Class

N class, division, category, categorema, head, order, section, department, subdepartment, province, domain, kind, sort, genus, species, variety, family, order, kingdom, race, tribe, caste, sept, clan, breed, type, subtype, kit, sect, set, subset, assortment, feather, kidney, suit, range, gender, sex, kin, manner, description, denomination, designation, rubric, character, stamp predicament, indication, particularization, selection, specification, similarity.