Here is a script I forgot to include. It finds the word at the insertion point in BBEdit and passes it to BlitzBuddy, which then looks up every command starting with that word and shows them all in its help viewer index list:
tell application "BBEdit" tell window 1 set sel_offset to characterOffset of selection set cur_line to startDisplayLine of selection try select (last word of display_line cur_line whose characterOffset ? sel_offset) on error select display_line cur_line end try set s to selection as string end tell end tell tell application "BlitzBuddy" showhint s end tell