familiarly
fa‧mil‧i‧ar‧ly /fəˈmɪliəli $ -liərli/
adverb
Charles, familiarly known as Charlie
fa‧mil‧i‧ar‧ly /fəˈmɪliəli $ -liərli/
adverb Word Family: noun: familiarity ≠ unfamiliarity, family, familiarization; adjective: familiar ≠ unfamiliar, familial; verb: familiarize; adverb: familiarly
in an informal or friendly way: