TOS died out really early as disks such as the IBM 2311[?] and IBM 2314[?] became common with the IBM 360 whereas they had been a real luxury on the IBM 7090.
... acral enlargement[?] Acarophobia[?] Acatalasemia[?] Accessory deep peroneal nerve[?] Accessory Navicular bone[?] Accessory pancreas[?] Achalasia alacrimia ...