regina /ri-jīˈnə/

1. Queen
2. (with cap) title of a reigning queen (abbrev R)

reginal /-jīˈnl/ adjective

1. Of a queen
2. Siding with a queen

• isobutylene
• isobutylenes
• isochasm
• isochasmic
• isochasms
• isocheim
• isocheimal
• isocheimenal
• isocheimic
• isocheims
• isochimal
• isochime
• isochimes
• isochor
• isochore
• isochores
• isochoric
• isochors
• isochromatic
• isochronal
• isochronally
• isochrone
• isochrones
• isochronise
• isochronised