diferenciar - to differentiate, to disagree, to distinguish oneself
dificultar - to make hard, to make difficult
difundir - to spread
digitalizar - to digitalize
discar - to dial
discernir - to discern
disculpar - to apologize, to forgive
disentir - to dissent
disfrazar - to disguise, to dress up
disparar - to fire, to shoot
dispersar - to disperse
disputar - to argue, to compete