silphium /silˈfi-əm/

1. A plant (perh the umbelliferous Ferula tingitana) imported from Cyrenaica by the Greeks for use as a food and in medicine (historical)
2. (cap) a genus of American composites, compass plants

• officiousnesses
• offie
• offies
• offing
• offings
• offish
• offishly
• offishness
• off-job
• off-job training
• off-key
• off kilter
• off-label
• off-licence
• off-licences
• off limits
• off-limits
• off line
• off-line
• pilings
• pilinut
• Pilipino
• pilis
• pill
• pillage