What is the correct spelling of the plural and possessive forms of the proper name Titus? Plural is Tituses Possessive, depending on preferred usage, is Titus' or Titus's Gww To join or leave this LISTSERV list, please visit the list's web interface at: http://listserv.muohio.edu/archives/ateg.html and select "Join or leave the list" Visit ATEG's web site at http://ateg.org/