ACE - A single point or spot on a playing card or die.
ADD - To join or unite, as one thing to another, or as several particulars, so as to increase the number, augment the quantity, or enlarge the magnitude, or so as to form into one aggregate. Hence: To sum up; to put together mentally.
DAD - A father, a male parent.
CAD - A person who stands at the door of an omnibus to open and shut it, and to receive fares; an idle hanger-on about innyards.
DEAD - No longer living.
DEED - An action or act; something that is done.
CEDE - To give up, give way, give away.
CEDED - Simple past tense and past participle of cede.
DECADE - A series of ten Hail Marys in the rosary.
ACCEDE - To become a party to an agreement or a treaty.
ACCEDED - Simple past tense and past participle of accede.