Matching Pairs Nail DisordersOnline version Match the nail disorder to its also known as name. by Rosalind Carter 1 Beau's lines 2 onychogryposis 3 leukonychia spots 4 plicatured nail 5 onychophagy 6 pincer nail 7 koilonychia Also known as bitten nails. Also known as furrows. Also known as ram's horn. Also known as folded nail. Also known as white spots. Also known as trumpet nail. Also known as spoon nails.