Word mod m -> mm
A doubled consonant may be rendered by just the single MEDIEVAL
nummulari.us N 2 4 NOM S M
nummularius, nummulari(i) N (2nd) M [XLXCO]
kind of small-change state banker; (to change foreign currency and test coins);
nummulari.us ADJ 1 1 NOM S M POS
nummularius, nummularia, nummularium ADJ [XLXFO] veryrare
of/related to the changing of foreign currency;

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.