feminize or feminise /femˈi-nīz/

1. To make or become feminine
2. To (cause a male animal to) develop female characteristics

• sparkling
• sparklingly
• sparklings
• sparkling wine
• sparkling wines
• sparkly
• spark off
• spark out
• spark-out
• spark plug
• spark plugs
• sparks
• sparky
• sparling
• sparlings
• sparoid
• sparoids
• sparre
• sparred
• sparrer
• sparrers
• sparrier
• sparriest
• sparring
• sparring partner