diathesis /dī-athˈi-sis/

1. A particular condition or habit of body, esp one predisposing to certain diseases (medicine)
2. A habit of mind

• hard bop
• hard card
• hard cards
• hard case
• hard cases
• hard cash
• hard cheese
• hard coal
• hard copies
• hard copy
• hard-copy
• hard core
• hard-core
• hard court
• hard courts
• hardcover
• hard-cured
• hard currencies
• hard currency
• hard disk
• hard disk drive
• hard disk drives
• hard disks
• hard done by
• hard-drawn