e, t, i, q, u are letters that make 'etiquette'
ti, te, IQ, TT, Te, Ti are words within 'etiquette'
1 possible definitions for 'etiquette'
Under this definition, etiquette is a noun and has the following properties:
'etiquette' can be a type of rule, prescript.
protocol, punctilio are types of 'etiquette'.