er.um N 1 1 GEN P F uncommon
era, erae N (1st) F [XXXDX] lesser
mistress; lady of the house; woman in relation to her servants; Lady;
er.um N 2 1 ACC S M
er.um N 2 1 GEN P M uncommon
erus, eri N (2nd) M [XXXDX] lesser
master, owner;
er.um N 3 3 GEN P M
eris, eris N (3rd) M [XAXFO] veryrare
hedgehog;

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.