jnr
NounWordNet 3.0
Webster's Dictionary (GCIDE)
Jnr \Jnr.\ n. Abbreviation for Junior, used after a name by a son who has the same first and last name as his father; -- less commonly used than Jr.
Syn: Junior, Jr. [WordNet 1.5]
Syn: Junior, Jr. [WordNet 1.5]