prys and pryse old spellings of price and prize¹

• opportunistic infection
• opportunistic infections
• opportunistic species
• opportunists
• opportunities
• opportunity
• opportunity cost
• opportunity costs
• opportunity shop
• opportunity shops
• oppos
• opposabilities
• opposability
• opposable
• oppose
• opposed
• opposeless
• opposer
• opposers
• opposes
• opposing
• opposite
• oppositely
• oppositeness
• oppositenesses