voluntary - uncharged (fee), offered, done willingly⏎
unveil - introduce, disclose, show (something)⏎
shortage - shortage⏎
strapline - slogan⏎
shopper - buyer, purchaser⏎
statute - law, legislation, formal rule⏎
transfer - move over, carry, duplicate, displace⏎
verbal - spoken, unwritten⏎
static - unchanging, undeveloping, not moving⏎