Word family noun familiarityunfamiliarity family familiarization adjective familiarunfamiliar familial verb familiarize adverb familiarly
From King Dictionary of Contemporary Englishfamiliarlyfa‧mil‧i‧ar‧ly /fəˈmɪliəli $ -liərli/ adverb FRIENDLYin an informal or friendly way Charles, familiarly known as Charlie
Examples from the Corpus
familiarlyThat might seem to be precisely the sort of querulous argument which the Left has familiarly been scorned for posing.The FBI is looking for Tom Charles, familiarly known as Charlie the Kid.