Word mod o/u
An internal 'o' might be rendered by 'u'
crust.a N 1 1 NOM S F
crust.a N 1 1 VOC S F
crust.a N 1 1 ABL S F
crusta, crustae N (1st) F [XXXBO]
rind/shell/peel/bark/crust, hard surface; scab; leaf/flake/thin slab (mineral);
cup holder, embossed work; inlay; plaster/stucco/mosaic work (L+S);
crust.a N 2 2 NOM P N
crust.a N 2 2 VOC P N
crust.a N 2 2 ACC P N
crustum, crusti N (2nd) N [XXXEO] uncommon
pastry, cake; anything baked (L+S);
crust.a V 1 1 PRES ACTIVE IMP 2 S
crusto, crustare, crustavi, crustatus V (1st) TRANS [XXXDO] lesser
encrust/cover w/layer/coating/plaster; emboss/carve/decorate w/relief/embossing

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.