Crosswordiee.com

% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Icky or sticky stuff:

GOO: Icky, sticky stuff
GOOP: Icky sticky stuff
GUNK: Icky, sticky stuff
GOO: Sticky icky stuff
GOOP: Icky or sticky stuff