[{"Bold_text": "noun", "List Items": ["a distinctive doctrine, theory, system, or practice:This is the age of isms."]}, {"Bold_text": null, "List Items": ["a suffix appearing in loanwords from Greek, where it was used to form action nouns from verbs (baptism); on this model, used as a productive suffix in the formation of nouns denoting action or practice, state or condition, principles, doctrines, a usage or characteristic, devotion or adherence, etc. (criticism; barbarism; Darwinism; despotism; plagiarism; realism; witticism; intellectualism)."]}]