S1T1I1C3K5Y4
15 points
STICKY is validvalid
tending to adhere [adj STICKIER, STICKIEST] : STICKILY [adv], STICKINESS [n] / a slip of notepaper having an adhesive strip on the back [n STICKIES]
adhesive [adj STICKIER, STICKIEST, STICKILY] / to make sticky [v STICKIED, STICKYING, STICKIES]