Synonyms of category

1 Syllable
class, rank, branch, group, list, tiers, head, tier, kind, sort
2 Syllables
level, grade, league, type, genus, rating, sections, heading, sectors, sector, series, genre, grouping, order, section
3 Syllables
subsection, division, sub-sections, subsections, compartment, department
4 Syllables
subfamily, subject-matter, sub-family, subfamilies, cubbyhole, pigeonhole
6 Syllables
categorization