Synonyms of monopoly

1 Syllable
trust, pool
2 Syllables
in-group, junto, corner, holding, patent, ingroup, cartel, cartels
3 Syllables
ownership, industries, copyright, consortium, industry, stranglehold, megacorp
4 Syllables
proprietorship, possessorship, syndicate
5 Syllables
manufactories, oligopoly, multinationals, manufactory