#deber# to owe, ought, must, should, be to; #—— de# (with inf.) must, ought

#decidir# to decide, determine

#decir# to say, speak, tell

#decoro# decorum, respectability, circumspection, sense of propriety

#decorosamente# becomingly, decorously, properly

#defecto# defect

#defensivo# defensive

#dejar# to leave, let, allow, permit, quit, omit, fail

#del# = #de + el#

#delante# before, in front; #—— de# in front of, before