antrum /anˈtrəm/ (esp anatomy)

A cavity

anˈtral adjective

• precocious
• precociously
• precociousness
• precociousnesses
• precocities
• precocity
• precognisant
• penicillins
• Penicillium
• penie
• penile
• penillion
• penillion-singing
• pening
• peninsula
• peninsular
• peninsularities
• peninsularity
• peninsular unit
• peninsular units
• Peninsular War
• peninsulas
• peninsulate
• peninsulated
• peninsulates