ectasis /ekˈtə-sis/

1. The lengthening of a short syllable
2. Abnormal stretching (medicine)

• unoriginate
• unoriginated
• unornamental
• unornamented
• unorthodox
• unorthodoxies
• unorthodoxly
• unorthodoxy
• unossified
• unostentatious
• unostentatiously
• unostentatiousness
• unovercome
• unoverthrown
• unowed
• unowned
• unoxidised
• unoxidized
• unpaced
• unpacified
• unpack
• unpacked
• unpacker
• unpackers
• unpacking