Advanced British English Quiz; Lesson 3; Part 1

Level up your English from basic to intermediate and advanced.
British English Quiz, Lesson 3. Part 1.
Which group shows no tight semantic unity?
hereditary, inherited, lineage, descent
incognito, disguise, concealment, anonymity
pain point, inconvenience, inefficiency, critical
artificial, interdisciplinary, evade, surveillance

Which group clusters around “Pandemonioum”?
disorder, tumult, bedlam, frenzied uproar
pseudonym, prompting, automated, boasting
scrambled, salvage, chaos, public procession
organically, self-sustaining, idealized, melancholy