supersubtle (or obsolete supersubtile) /soo- or sū-pər-sutˈl/

1. Excessively subtle
2. Extremely subtle

supersubˈtlety noun

• spancel
• spancelled
• spancelling
• spancels
• span-counter
• span-counters
• spandex
• spandexes
• spandrel
• spandrels
• spandril
• spandrils
• spane
• spaned
• spanes
• span-farthing
• spang
• spang-cockle
• spang-cockles
• spanged
• spanghew
• spanghewed
• spanghewing
• spanghews
• spanging