estrogen, estrus, etc N American spellings of oestrogen, oestrus, etc.

• case-sensitive
• case-shot
• case-shots
• case-studies
• case-study
• casevac
• casevaced
• casevacing
• casevacked
• casevacking
• casevacs
• casework
• caseworker
• caseworkers
• caseworks
• case-worm
• case-worms
• cash
• cashable
• cash account
• cash accounts
• cash and carry
• cadences
• cadencies
• cadency