os SUFFIX
-ous, -ose; -some, full of; prone to; rich in; abounding in;
libros.us ADJ 1 1 NOM S M POS
liber, libri N (2nd) M [XXXDX] lesser
book, volume; inner bark of a tree;
libra, librae N (1st) F [XXXBX]
scales, balance; level; Roman pound, 12 unciae/ounces; (3/4 pound avoirdupois);

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.