Anonymous, Eponymous

Anonymous means a person who is not identified by name; of unknown name; someone whose name is not revealed, the like, an unknown name, revealing of one’s name is withheld for one or the other reason, a contributor, incognito, unacknowledged, mystery.

Anonymous letters often land at an office or at someone’s house. There are great works of literature that remain anonymous. Great people give donations for charitable causes, and remain anonymous. Anonymous also refers to person’s character lacking individuality, unique character, distinction, unremarkable, nondescript, faceless, and colourless.

Every city and town has few some anonymous houses that is having no outstanding feature. People make significant contributions but remain anonymous. The derivatives of the adjective anonymous are anonymously (adverb) and anonymousness (noun). Anonymous class is the one without a name is computer software, a local class.

Eponym is a noun: eponym is a place, or thing that is named after someone such as Victorian Era (the period of the reign of Queen Victoria in England), Gandhian philosophy (preached by MK Gandhi) and others. Eponymous is an adjective: it means a person giving a name to something usually to something that he or she invented, discovered, founded, identified among others.

A thing named after a particular person such as the Dunbar number. Dunbar number is the eponymous name: Dunbar number is about 150 and that is the number a human being can have relationships in a life time. It is named after Robin Ian Mac Donald Dunbar an anthropologist and expert on cognitive psychology.

There are eponymous laws, movies, and words ie named after someone: Betteridge’s Law (any headline that ends in a question mark can be answered with a no), Linus’s Law (given enough eyeballs, all bugs are shallow), Shinzo Abe (Abenomics), Manmohan Singh (Manmohanamics), Jawaharlal Nehru (Nehruvian foreign policy), Achilles (Greek mythological character: Achilles’ heel, Achilles tendon), Thomas Addison (British doctor: Addison's disease), Adelaide of Saxe-Meiningen (British queen: Adelaide), John Baskerville (British typographer: Baskerville typeface).