1. Of or relating to airmail stamps

See also: aerophilately

• sobbing
• sobbingly
• sober
• sober up
• sobering
• soberly
• soberness
• sobersided
• sobersides
• sobralia
• sobriety
• sobriquet
• soc.
• soca
• socage
• soccer
• soccer ball
• soccer mom
• soccer player
• sociability
• sociable
• sociableness
• sociably
• social
• social action