/ Thesaurus / R Synonyms of rickettsiosis Find synonyms for: Noun1. rickettsial disease, rickettsiosis, infectious diseaseusage: infectious disease caused by ticks or mites or body lice infected with rickettsial bacteriaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language