functionary — a person who functions in a specified capacity, especially in government service; an official: civil servants, bureaucrats, and other functionaries.
Four-or-more syllable rhymes
customary — Customary is used to describe things that people usually do in a particular society or in particular circumstances.
huckleberry — the dark-blue or black edible berry of any of various shrubs belonging to the genus Gaylussacia of the heath family.
Four-or-more syllable rhymes
premonitory — giving premonition; serving to warn beforehand.