Jaeger: A high bar and uneven bar gymnastics skill consisting of a front salto release to a re-catch of the bar.  It can be done in the tuck, pike, straddle and layout positions and also with twisting.  An alternate spelling is Yaeger.

Jeté: A gymnastics and ballet movement where a gymnast throws their leg and takes off from one foot and lands one foot. It also means to throw or to toss or a sharp movement that either describes a throw of the leg or a jump with a throw of the leg.  There are many forms of this movement including jeté fermé, jeté ouverte, grand jeté, grand battement jeté, jeté entrelacé. 

Johnson: A gymnastics floor skill named after U.S. gymnast Brandy Johnson. It consists of a switch-split leap forward with leg change and ¼ turn to side split leap or straddle pike position.  The skill has been rated by the FIG as an A level skill and the FIG number is 1.205.  This is a good example of how a relatively easy skill still can be original. 
 

Gymnastics Dictionary