JFK or RFK, e.g

• J.F.K. or L.B.J.: Abbr
• JFK, LBJ, etc
• J.F.K. and L.B.J., e.g.
• First ltrs
• EAP e.g
• They stand for something: Abbr
• The J. and K. in J. K. Rowling: Abbr
• Some tree carvings: Abbr.
• Monogram, e.g.: Abbr

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: init )