Crosswordiee.com

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

Crossword clues for Sticky stuff on a trunk:

SAP: Sticky trunk stuff
TREESAP: Sticky trunk stuff
SAP: Sticky stuff on a trunk
TREE: With 104-Across, sticky stuff on a trunk
SAP: Sticky stuff in tree trunks