trigram /trīˈgram/

1. An inscription of three letters
2. A figure of three lines

trigrammatˈic or trigrammˈic adjective

• maliciously
• free radical
• free radicals
• free-range
• free reed
• free-reed
• free ride
• freeride
• free-rider
• free-riders
• free rides
• freeride skiing
• freers
• free running
• frees
• free school
• free schools
• free-select
• free-selected
• free-selecting
• free-selection
• free-selector
• free-selectors
• free-selects
• freesheet