rhotacize or rhotacise /rōˈtə-sīz/

To change to an r- sound (esp from z)

rhōˈtacism noun

1. Excessive, exceptional or exceptionable sounding of r
2. Burring
3. A change or tendency to change to r

rhōtacizāˈtion or rhōtacisāˈtion noun

• grees
• greese
• greesing
• greet
• greete
• greeted
• greeter
• greeters
• greetes
• greeting
• greeting meeting
• greeting meetings
• greetings
• greetings card
• greetings cards
• greets
• greffier
• greffiers
• gregale
• gregales
• gregarian
• gregarianism
• gregarianisms
• Gregarina
• gregarine