non·a·gon 
(nŏnə-gŏn′, nōnə-)
(nŏnə-gŏn′, nōnə-)n.
A polygon with nine sides and nine angles.
- antiquated
- antiquatedness
- antiquation
- antique
- antiquely
- antiqueness
- antiquer
- antiquity
- antirachitic
- antirejection
- antiretroviral
- anti-roll bar
- antisatellite
- antiscorbutic
- antisecretory
- anti-Semite
- anti-Semitic
- anti-Semitism
- antisemitism
- antisense
- antisepsis
- antiseptic
- antiseptically
- antiserum
- antiskate