d N 9 8 X X M
D., abb. N M [CXIEO] Classic uncommon
Decimus (Roman praenomen); (abb. D.);
Dominus, Lord; abb. D; [calendar AD/Anno Domini => in the year of our Lord];
d N 9 8 X X C
d., abb. N C [XXXCS]
diem, abb. d; in calendar expression a. d. = ante diem = before the day;
d ADJ 9 8 X X X POS
d., abb. ADJ [XLXIO] inscript
obliged; bound (to pay), condemned to pay; sentenced; (abb. d. in inscription);
D NUM 2 0 X X X CARD
500 as a ROMAN NUMERAL;

Credits:
This, our local install of the popular standby Whitaker's Words, is possible thanks to the resurrection of the venerable project at William Whitaker's Words, where you will also find extensive documentation. The corresponding GitHub repository is where you can submit issues about missing forms and analyses.
This web interface by Walter M. Shandruk.