oasis /ō-āˈsis, rarely ōˈə-sis/

1. A fertile spot or tract in a sandy desert
2. Any place of rest or pleasure in the midst of toil and gloom
3. (Oasis®) a block of light permeable material used to hold cut flowers, etc in a flower arrangement

• not to mention
• not to put too fine a point on it
• not to say
• not touch with a bargepole
• not to worry
• Notts.
• not turn a hair
• notum
• notungulate
• notungulates
• not unnaturally
• not up
• photogenic
• photogenies
• photogens
• photogeny
• photogeologies
• photogeology
• photoglyph
• photoglyphic
• photoglyphies
• photoglyphs
• photoglyphy
• photogram
• photogrammetric