Slur sub/su~
An initial 'sub' may be rendered by su~
suffus.am VPAR 3 1 ACC S F PERF PASSIVE PPL
suffundo, suffundere, suffudi, suffusus V (3rd) [XXXDX] lesser
pour in/on; cause to well up to surface; cover/fill with liquid that wells up;
suffus.am ADJ 1 1 ACC S F POS
suffusus, suffusa, suffusum ADJ [XXXDS] lesser
blushing; bashful;

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.