Letter on position 1 (j) changed: 13 words bars cars ears fars gars lars mars oars pars sars tars vars wars Letter on position 2 (a) changed: 1 word jors Letter on position 3 (r) changed: 8 words jabs jags jaks jams japs jass jaws jays Letter on position 4 (s) changed: 3 words jark jarl jarp