rictus /rikˈtəs/ (zoology)

1. The gape, esp of a bird
2. The chink or aperture of a lipped corolla
3. Unnatural gaping of the mouth, eg in horror

• dynastical
• dynastically
• dynasties
• dynasts
• dynasty
• dynatron
• dynatrons
• dyne
• dynes
• dynode
• dynodes
• Dyophysite
• Dyothelete
• Dyotheletic
• Dyotheletical
• Dyotheletism
• Dyothelism
• Dyothelite
• Dyothelitic
• Dyothelitical
• dys-
• dysaesthesia
• dysaesthesias
• dysaesthetic
• dysarthria