• splinter-proof, splinterless
• to be concerned, to care
• to attend to sg, to be mindful of sg, to bother, to bother about sg, to bother with sg, to care about, to care for, to heed, to mind
• burglar, crack, cracker of cribs, housebreaker
• effusive, exuberant, flaming
• path-breaker, pioneer, trailblazer
• cracker, crackers, nutcracker, nutcrackers
• jaw-breaker, jawbreaker