acapnia /ā- or ə-kapˈni-ə/

Deficiency of carbon dioxide

• play fast and loose
• playfellow
• playfellows
• play fine
• play first fiddle
• play footsie
• play footsie with
• play for love
• play for safety
• play for time
• playful
• play full
• playfully
• playfulness
• playfulnesses
• play games with
• playgirl
• playgirls
• play-goer
• play-goers
• play-going
• playground
• playgrounds
• playgroup
• playgroups